Geometry Vocabulary Crossword

If you want to fill something, this is how much of something it can hold.
The amount of space a two dimensional field occupies.
A 3D shape similar to a pyramid but with a circle for a base.
A 2D shape with an area formula of base times base.
A specific type of triangle whose angle measures can be either 90, 30, 60 or 90, 45, 45.
The length around the middle of a sphere.
Half of a diameter.
The type of structure that Egypt is famous for.
Used to find a number of things, include the area, volume or surface area of a given shape.
A method of proving something to be true.
A statement that is accepted to be true.
An angle that isn't obtuse or acute is...
The total area of all the surfaces on a solid.
F + V = E + 2
A type of angle found by dividing 360 by the number of sides in a polygon.
A statement that sounds like if x then y...
If two sides of a triangle are legs, then the third is the...
This is the a in the formula (1/2)(a)(p).
Any angle larger than 90 degrees is...
If a "B" is uppercase in any formula it stands for...