Geometry Jargon

1. Shapes with 3 or more sides.
3. This line is half the length of the diameter.
7. A shape with 4 sides and 4 angles.
10. A type of triangle that can have either an obtuse, acute or a right angle.
11. When two lines intersect and make a 90 degree angle with eachother. They are ___________ to eachother.

1. That thing you use to measure the size of angles.
2. A line that connects two corners of a shape and splits it in two halves.
4. If you walked a around in a circle, the length you'd cover is the __________ of the circle.
5. A line that connect two points along the boundary of a circle.
6. A type of triangle with all its angles measuring the same.
8. A type of triangle with 2 sides measuring the same length.
9. A slice of Pizza is a ________ of a circle.