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What is rectangle's history and who made the rectangle?
A rectangle is one of the basic geometric shapes. It has been in use by humans all over the world (e.g. the shape of a wall) since pre-history, and predates any supposed invention of it.
What is an icosohedron?
a geometric shape made up of 20 triangles. :)
What solid can be made using 2 circles and 1 large rectangle?
Circles and rectangles are plane (2-dimensional) figures, so it doesn't seem that they can be used to construct solids.
Why is a cylinder not a polyhedron?
A polyhedron is a 3 dimensional figure made of polygons. A cylinder is made of two circles and a rectangle around the middle. Since circles are not considered polygons (don't have straight edges), a cylinder cannot be a polyhedron. I just had a discussion about this with my math students today.
Who invented the rectangle?
it was the Egyptians and Mesopotamians although the Greeks made geometry books that were from the Egyptians.
