Geometry

3. the number created when you divide circumference by diameter.
4. the distance from a point on the circle through the center to a point on the other side of the circle.
6. the distance from the center of the circle to a point on the circle.
8. two angles that are next to each other; they share a ray.
9. two angles whose sum is equal to 180 degrees.
10. two angles that are formed with two lines cross. They are opposite of each other but equal to each other.
12. the two dimensional shape created by making a parallel or perpendicular cut to a three dimensional figure.

1. the total, combined area of all outer faces or surfaces of a three-dimensional object.
2. the complete distance around a circle.
5. a unit of measure describing how much three dimensional space a substance occupies.
7. two angles whose sum is equal to 90 degrees.
11. a shape made up of more than one regular shape.