Search for "triangle" | ClipArt ETC

Triangle with metal rings

Triangle

Triangle with metal rings

A cylindrical steel bar, bent into a equilateral triangle. It is struck with a small bar of the same metal.

Triangle

A cylindrical steel bar, bent into a equilateral triangle. It is struck with a small bar of the same…

Shaped like an equalateral triangle or the Greek letter delta.

Deltoid

Shaped like an equalateral triangle or the Greek letter delta.

"An ancient Greek or Roman temple, of rectangular construction, is terminated at its upper extremity by a triangular figure, both in front and rear, which rests upon the cornice of the entablature as a base, and has its sides formed by the cornices which terminate the roof. The whole of this triangle above the trabeation is implied in the term fastigium." — Smith, 1873.

Fastigium

"An ancient Greek or Roman temple, of rectangular construction, is terminated at its upper extremity…

"A square used by carpenters, masons, and other artificers to make their work rectangular. It was made by taking three flat wooden rulers of equal thickness, one of them being two feet ten inches long, the others each two feet long, and joining them together by their extremities, so as to assume the form of a right-angled triangle. This method, though only a close approximation, must have been quite sufficient for all common purposes. For the sake of convenience, the longest side, i. e. the hypotenuse of the triangle, was discarded, and the instrument then assumed the form in which it is exhibited, among other tools, on a tomb found at Rome, and which resembles that in modern use. A square of a still more simple fashion made by merely cutting a rectangular piece out of a board is shown on another sepulchral monument and copied in the woodcut which is here introduced." — Smith, 1873

Norma

"A square used by carpenters, masons, and other artificers to make their work rectangular. It was made…

"A force pushing a weight from C to D, only raises it through the perpendicular height, E D, by acting along the whole length of the plane, C D; and if the plane be twice as it is high, one pound at B, acting over the pulley, D, would balance two pounds at A, or any where on the plane; and so of all other quantities and proportions." — Goodrich, 1844

Inclined Plane

"A force pushing a weight from C to D, only raises it through the perpendicular height, E D, by acting…

A bar of steel bent into the form of a triangle, and struck with a small rod.

Triangle

A bar of steel bent into the form of a triangle, and struck with a small rod.

"This triangular shape is a good one also for a movable poultry-house in its simplest form." — Harcourt, 1889

Triangular coop

"This triangular shape is a good one also for a movable poultry-house in its simplest form." —…

"That the screw is a modified inclined plane, may be shown by winding a triangular piece of paper around a cylinder." — Avery, 1895

Diagram of a screw

"That the screw is a modified inclined plane, may be shown by winding a triangular piece of paper around…

"The tetrahexahedron is a form composed of twenty-four isoceles triangular faces, each of which intersects one axis at unity, the second at some multiple, and is parallel to the third." — Ford, 1912

Tetrahexahedron

"The tetrahexahedron is a form composed of twenty-four isoceles triangular faces, each of which intersects…

"This form consists of twelve isoceles triangular faces, each of which intersects two of the horizontal crystallographic axes equally, is parallel to the third horizontal axis and intersects the vertical axis." — Ford, 1912

Pyramid of the first order

"This form consists of twelve isoceles triangular faces, each of which intersects two of the horizontal…

"Hexagonal-rhombohedral; hemimorphic. Crystals usually prismatic, vertically striated. A triangular prism, with three faces, prominent, which with the tendency of the prism faces to be vertically striated and to round into each other gives the crystals usually a cross section like a spherical triangle." — Ford, 1912

Tourmaline

"Hexagonal-rhombohedral; hemimorphic. Crystals usually prismatic, vertically striated. A triangular…

"Hexagonal-rhombohedral; hemimorphic. Crystals usually prismatic, vertically striated. A triangular prism, with three faces, prominent, which with the tendency of the prism faces to be vertically striated and to round into each other gives the crystals usually a cross section like a spherical triangle. Crystals are commonly terminated by base and low positive and negative rhombohedrons; sometimes scalenohedrons are present. When the crystals are doubly terminated they usually show different forms at the opposite ends of the vertical axis." — Ford, 1912

Tourmaline

"Hexagonal-rhombohedral; hemimorphic. Crystals usually prismatic, vertically striated. A triangular…

"Having equal sides." — Williams, 1889

Equilateral triangle

"Having equal sides." — Williams, 1889

A triangular prism.

Triangular prism

A triangular prism.

An isosceles triangle is one having two of its sides equal.

Isosceles

An isosceles triangle is one having two of its sides equal.

An equilateral triangle is one having all of its sides equal.

Equilateral

An equilateral triangle is one having all of its sides equal.

Scalene

A scalene triangle is one having no two of its sides equal.

A right-angled triangle is any triangle having one right angle. The side opposite the right angle is called the hypotenuse. A right-angled riangle may be isosceles or scalene.

Right-Angled

A right-angled triangle is any triangle having one right angle. The side opposite the right angle is…

Built on the right angle triangle and, like the Signet of David, it is found in many of the Turkish and Caucasian fabrics and to it scores of patterns may be traced.

Solomon's Seal

Built on the right angle triangle and, like the Signet of David, it is found in many of the Turkish…

"In any right triangle, the square described on the hypotenuse is equal to the sum of the squares described on the other two sides. If A B C, is a right triangle, right angled at B, then the square described on the hypotenuse AC is equal to the sum of the suares described on the sides A B and B C." — Hallock, 1905

Right Triangle

"In any right triangle, the square described on the hypotenuse is equal to the sum of the squares described…

"If a pyramid be cut by a plane, parallel to the base, so as to form two parts, the lower part is called the frustum of the pyramid." — Hallock, 1905

Pyramid

"If a pyramid be cut by a plane, parallel to the base, so as to form two parts, the lower part is called…

"If a cone be cut by a plane, parallel to the base, so as to form two parts, the lower part is called the frustum of the cone." — Hallock, 1905

Cone

"If a cone be cut by a plane, parallel to the base, so as to form two parts, the lower part is called…

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil and pen point are provided, either of which may be inserted into a socket in one leg of the instrument, for the drawing of circles in pencil or ink." — Hallock, 1905

Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil and pen point are provided, either of which may be inserted into a socket in one leg of the instrument, for the drawing of circles in pencil or ink." — Hallock, 1905

Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil and pen point are provided, either of which may be inserted into a socket in one leg of the instrument, for the drawing of circles in pencil or ink." — Hallock, 1905

Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil and pen point are provided, either of which may be inserted into a socket in one leg of the instrument, for the drawing of circles in pencil or ink." — Hallock, 1905

Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

"For drawing ink lines other than arcs of circles, the ruling pen is used. It should be held as nearly perpendicular to the board as possible, bearing lightly against the T square or triangle, along the edge of which the line is drawn. After a little practice, this position will become natural, and no difficulty will be experienced." — Hallock, 1905

Ruling Pen

"For drawing ink lines other than arcs of circles, the ruling pen is used. It should be held as nearly…

"For drawing ink lines other than arcs of circles, the ruling pen is used. It should be held as nearly perpendicular to the board as possible, bearing lightly against the T square or triangle, along the edge of which the line is drawn. After a little practice, this position will become natural, and no difficulty will be experienced." — Hallock, 1905

Ruling Pen

"For drawing ink lines other than arcs of circles, the ruling pen is used. It should be held as nearly…

"A strange triangular bridge at Croyland was probably built for or by a religious body. This structure stands at the confluence of the Welland, the Nyne, and the Catwater drain; three pointed arches, having their abutments at the angles of an equilateral triangle, meet in the middle, giving three watercourses and three roadways." — Encyclopedia Britanica, 1893

Croyland Bridge

"A strange triangular bridge at Croyland was probably built for or by a religious body. This structure…

A leaf shaped like a triangle.

Sagittate Leaf

A leaf shaped like a triangle.

three small leaves together forming a geometrical shape.

doodad

three small leaves together forming a geometrical shape.

This banner contains floral designs within the shape of a triangle.

Banner

This banner contains floral designs within the shape of a triangle.

Right Triangle degrees 1, 89, 90

A right triangle with degrees 1, 89, 90.

Right Triangle degrees 2, 88, 90

A right triangle with degrees 2, 88, 90.

Right Triangle degrees 5, 85, 90

A right triangle with degrees 5, 85, 90.

Right Triangle degrees 6, 84, 90

A right triangle with degrees 6, 84, 90.

Right Triangle degrees 7, 83, 90

A right triangle with degrees 7, 83, 90.

Right Triangle degrees 8, 82, 90

A right triangle with degrees 8, 82, 90.

Right Triangle degrees 9, 81, 90

A right triangle with degrees 9, 81, 90.

Right Triangle degrees 10, 80, 90

A right triangle with degrees 10, 80, 90.

Right Triangle degrees 11, 79, 90

A right triangle with degrees 11, 79, 90.

Right Triangle degrees 12, 78, 90

A right triangle with degrees 12, 78, 90.

Right Triangle degrees 13, 77, 90

A right triangle with degrees 13, 77, 90.

Right Triangle degrees 14, 76, 90

A right triangle with degrees 14, 76, 90.

Right Triangle degrees 15, 75, 90

A right triangle with degrees 15, 75, 90.

Right Triangle degrees 16, 74, 90

A right triangle with degrees 16, 74, 90.

Right Triangle degrees 17, 73, 90

A right triangle with degrees 17, 73, 90.

Right Triangle degrees 18, 72, 90

A right triangle with degrees 18, 72, 90.

Right Triangle degrees 19, 71, 90

A right triangle with degrees 19, 71, 90.

Right Triangle degrees 20, 70, 90

A right triangle with degrees 20, 70, 90.

Right Triangle degrees 21, 69, 90

A right triangle with degrees 21, 69, 90.

Right Triangle degrees 22, 68, 90

A right triangle with degrees 22, 68, 90.

Right Triangle degrees 23, 67, 90

A right triangle with degrees 23, 67, 90.

A right triangle with degrees 24, 66, 90.

Right Triangle degrees 24, 66, 90

A right triangle with degrees 24, 66, 90.

A right triangle with degrees 25, 65, 90.

Right Triangle degrees 25, 65, 90

A right triangle with degrees 25, 65, 90.

A right triangle with degrees 26, 64, 90.

Right Triangle degrees 26, 64, 90

A right triangle with degrees 26, 64, 90.

A right triangle with degrees 27, 63, 90.

Right Triangle degrees 27, 63, 90

A right triangle with degrees 27, 63, 90.