math terms

2. is one of the four basic operations of arithmetic, with the others being subtraction, multiplication and division
5. is a relationship between two numbers indicating how many times the first number contains the second
8. a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides
9. one of the four elementary mathematical operations of arithmetic; with the others being addition, subtraction and division.
13. a number or ratio expressed as a fraction of 100.
14. is a triangle with all three angles acute (less than 90°).
16. an alphabetic character representing a number,
17. a triangle with all angles more than 90 degrees
19. (the result of multiplying the number by itself, or y⋅y
20. terms that have the same variables and powers.

1. a triangle in which one angle is a right angle (that is, a 90-degree angle).
3. one of the four basic operations of arithmetic, the others being addition, subtraction, and multiplication.
4. is a polygon with three edges and three vertices.
6. coordinate system that specifies each point uniquely in a plane by a pair of numerical coordinates
7. a number that cant be written as a fraction
10. represents the operation of removing objects from a collection. It is signified by the minus sign
11. a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex.
12. a real number that is less than zero
15. any rational number
18. any part of a unit.