Across
- 3. an ideal 2D figure
- 6. it is the ratio of the length of the side that is opposite that angle to the hypotenuse
- 7. There are two braches of geometry:stereometry and...
- 8. ...is a branch of mathematics that studies relationships involving lengths and angles of triangles
- 9. ... is the study of mathematical symbols and the rules for manipulating these symbols
Down
- 1. 3D square
- 2. is the part of the quadratic formula that equals b^2-4ac
- 4. C/0=...
- 5. ... is the inverse operation to exponentiation.
- 7. a mathematician, in honor of whom the theory of the right triangles was called