Geometry

3. the segment that goes through the center or a circle, with endpoints on the circle
4. lines that are the same distance apart
5. two angles that have a sum of 180 are called
9. a solid 3-dimensional shape with 2 identical parallel bases and all other faces are rectangles
11. an angle that measures 180 or above 90
12. an angle that measures 90 is called a _____angle
13. A line that intersects two or more lines at different points is called a
16. a triangle in which all three sides are a different length

1. Two angles two angles that have a sum of 90
2. formula to find area of a circle is __r2
4. a quadrilateral with opposite sides that are parallel
5. an angle that measures 180 degrees
6. the distance around the outside of a shape
7. a triangle with three equal sides and three equal angles
8. a solid shape with a circular base and a curved surface that tapers to a point
10. to cross over one another
14. When two lines intersect, four angles are formed. Two of these angles that share a common side are called angles.
15. the flat surface of a three-dimensional shape