The Miscellaneous Triangles ClipArt gallery includes illustrations of isosceles, scalene, equilateral, obtuse, acute, concentric, and similar triangles. There are also images of real-world triangles that can be used in application problems, triangles with bisectors drawn, and triangles that are labeled to derive the area formula.

### Incenter of Triangle

Illustration to show angle bisectors in a triangle. It is known as the incenter.

### Isosceles Triangle

Sketch of isosceles triangle with labels.

### Isosceles Triangle

Illustration showing an isosceles triangle (one that has two sides equal).

### Isosceles Triangle With Interior Segment Drawn

Illustration showing an isosceles triangle with a segment inside. This can be used to show that in an…

### Leg Produced through the Vertex of an Isosceles Triangle

Illustration to show that if one of the legs of an isosceles triangle is produced through the vertex…

### Triangle With Line Parallel to Base and Two Intersecting Lines

Illustration showing a triangle with a line parallel to the base and two intersecting lines.

### Triangle With Lines From the Vertices That Join a Point Within

Illustration to show lines drawn from the vertices to join at a point within the triangle.

### Triangle With Median Drawn

Illustration of a triangle with the median drawn.

### Medians Drawn Drawn to Legs of Isosceles Triangles

Illustration to show the medians drawn to the legs of an isosceles triangle.

### Midpoints of Triangle Divide Triangle into Four Equal Triangles

Illustration to show that if the lines joining the middle points of the sides of a triangle divide the…

### Obtuse Triangle

Illustration showing an obtuse triangle (one that has one obtuse angle).

### Obtuse Triangle

Obtuse triangle with altitude drawn.

### Obtuse Triangle

Obtuse triangle with altitude and one median drawn.

### Obtuse Triangle With Height Drawn

Triangle with sides a,b,c and height/altitude h.

### Obtuse Triangle

An illustration of an obtuse triangle with the height/altitude labeled h.

### Orthocenter of Triangle

Illustration to show altitudes in a triangle. It is known as the orthocenter.

### Triangle With Parallel Segment Drawn

Illustration of a triangle with a segment parallel to the base.

### Isosceles Triangle With Parallelogram inside

Illustration to show that if from any point in the base of an isosceles triangle parallels to the legs…

### Parts Of A Triangle

Illustration used to show the various parts of a triangle: sides, angles, medians, altitudes, bisectors,…

### Triangle With Perpendicular Bisector

Illustration showing a perpendicular bisector of a triangle extended outside of the triangle.

### Perpendicular Bisector of the Base of an Isosceles Triangle

Illustration to show that the perpendicular bisector of the base of an isosceles triangle passes through…

### Perpendiculars Dropped Any Point in the Equilateral Triangle

Illustration to show the perpendiculars dropped from any point in the equilateral triangle to the three…

### Perpendiculars Dropped From Midpoint of Base to Legs of Isosceles Triangles

Illustration to show the perpendiculars dropped from the midpoint of the base to the legs of an isosceles…

### Point in Base of Isosceles Triangle

Illustration to show that the difference of the distances from any point in the base produced of an…

### Right Triangle Showing Pythagorean Theorem

Illustration of a right triangle that can be used to show Pythagorean theorem. "In any right triangle,…

### Scalene Triangle

Illustration showing a scalene triangle (one that has no two sides equal).

### Scalene Triangle

A scalene triangle.

### Triangle With Segment Extended for Exterior Angle

Illustration showing a triangle with an exterior segment drawn to show and exterior angle. This can…

### Triangle With Interior Segment

Illustration showing a triangle with an interior segment drawn

### Segments and Angles in a Triangle

Illustration of a triangle with interior segments and angles labeled.

### Segments and Angles in a Triangle

Illustration of a triangle with interior segments and angles labeled.

### Segments Labeled In A Triangle

Illustration of triangle ABC with BE extended through the triangle at point D. Segment AB is equal to…

### Triangle With Interior Segment Drawn

Illustration showing a triangle with a segment inside.

### 3 Isosceles Triangles Wit Equal Bases

Illustration of three isosceles triangles with the same base AC but varying heights (as B gets farther…

### Equal Triangles

Illustration showing two equal triangles.

### Equal Triangles by Side Side Side

Illustration showing two equal triangles. This can be used to show that two triangles are equal if the…

### Proof of Equal Triangles Drawing

Illustration to show if two triangles have two sides of the one equal, respectively, to two sides of…

### Equilateral Triangles

Equilateral triangles set up along a coordinate plane.

### Equilateral And Isosceles Triangles

An illustration showing an isosceles triangle in an equilateral triangle.

### Equilateral Triangles Inscribed In An Equilateral Triangle

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints…

### Equilateral Triangles Inscribed In Equilateral Triangles

Illustration of an equilateral triangle inscribed in an equilateral triangle by joining the midpoints…

### Triangles With The Same Base

Illustration to show two triangles with the same base and on the same side of the base.

### Similar Triangles

Similar triangles with corresponding sides labeled.

### Similar Triangles

Similar triangles with corresponding sides labeled.

### Three Triangles Used to Compare Sides

Illustration showing three triangles. This is used to show the following theorem: If two triangles have…