Math Crossword

3. (),^,÷,x,+,-
4. part of mathematics where letters are used to represent numbers in formulae and equations.
7. he wrote The Elements
8. e^iπ + 1 = *the answer*
10. her math helped send astronauts to the Moon and back
11. another word for perimeter
12. the "prince of mathematics"
13. She invented the devices used for measuring the density of fluids.

1. _________ theorem (a^2 + b^2 = c^2)
2. half the diameter
5. part of maths where you learn about shapes and how to find their areas, perimeter etc
6. she wrote the world's first machine algorithm for a computing machine that existed only on paper.
9. the amount of units squared in any shape
11. a line which goes around a point at an equal distance from the point