Across
- 6. The branch of mathematics dealing with the properties and manipulation of numbers
- 8. The distance around the outside of a circle
- 10. A polygon with four sides
- 11. A set of values that show an exact position on a map or graph
- 12. angles or sides that share a common vertex or edge
Down
- 1. Intersecting at or forming a right angle
- 2. A polyhedron with twelve flat faces
- 3. An expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables
- 4. Having two sides of equal length
- 5. A quadrilateral with at least one pair of parallel sides
- 7. The branch of mathematics that studies relationships between the sides and angles of triangles
- 9. Relating to Pythagoras or his theorem