Math Crossword

7. Two expressions on either Side of an equal to sign that have the same value
8. Multiplying a number with itself thrice gives this
9. A Greek mathematician, physicist, engineer, inventor, and astronomer.
11. Negative or positive numbers
13. Numbers starting from 1, going on forever. However, they cannot have decimal points or the fraction bar.
15. Cannot be expressed as p/q
16. Gives the area of a triangle when the length of all three sides are known.
17. A line segment extending from the center of the circle to one side of its circumference
18. A streak on which numbers are marked
20. The point where two angles begin or meet

1. The process of removing squares of roots from the denominator
2. A theory used to measure one particular side of a right angled triangle
3. Numbers that are whole that start from zero
4. Possessed by two shapes if they have the same size and can fit exactly on top of each other
5. The human calculator
6. The number below the line in a fraction
10. An algebraic expression of three terms
12. Amount of space an object occupies
14. A symbol standing for an unknown numerical value in an equation.
19. It extends infinitely in both directions - it’s right and left.