Illustration to show that if through any point in the bisector of an angle a line is drawn parallel…

Illustration of two angles whose sides are parallel, each to each, to show they are either equal or…

Illustration showing that the bisector of a given angle is the locus of points equidistant from the…

Illustration showing that the perpendicular bisector of a given line is the locus of points equidistant…

This four sided bottle is a rigid container. A glass bottle is a bottle created from glass. Glass bottles…

Illustration of the construction used to make a parallelogram when given two sides and the included…

Illustration of the construction used to make a triangle when given three sides.

"Side view of built up armature core. The sheet metal ring sections containing the teeth are fastened…

An illustration of both sides of a U.S. Half Dollar that can be cutout and folded.

This bottle was intended to hold poison. Poisons are substances that can cause disturbances to organisms,…

Illustration of a concave polygon. A concave polygon is a polygon of which tow or more sides, if produced,…

Illustration of a convex polygon. A polygon is convex when no side when produced will enter the polygon.

Illustration that shows similar polygons (pentagons) that can be used to show proportionality.

Illustration that shows similar polygons (pentagons) that can be used to show proportionality.

Illustration to show that an angle bisector of a triangle divides the opposite side into segments which…

Illustration to show that a bisector of a an exterior angle of a triangle divides the opposite side…

Illustration to show that if a line divides two sides of a triangle proportionally, it is parallel to…

"A pyramid is a solid whose base is a polygon, and whose sides are triangles uniting at a common point,…

Illustration of a quadrilateral which has two adjacent sides equal and the other two sides equal. It…

"Method of using a grounded metallic comb near the driving belt to relieve the belt of static charges."…

Historically, the name referred to a large shelf of rock which jutted out from the Canadian shore, located…

A table is an item of furniture comprising an open, flat surface supported by a base or legs. It may…

Triangle with sides labeled with numerals 28, 36, 40 and angles A, B, C labeled.

Illustration showing an acute triangle (one that has all three angles that are acute).

Illustration of a triangle showing that when a line parallel to the base of a triangle bisects one side,…

Triangle construction when given two angles and the included side.

Illustration showing an equiangular triangle (one that has all three angles that are equal).

Illustration showing a triangle with exterior angles. This can be used to show the sum of the three…

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

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

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

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

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

Illustration of a right triangle with legs labeled 150 and 85. This could be used to find the hypotenuse…