PLEASE HELP!!! i am terrible at this stuff so please help!

1.To multiply the number by itself is to ________ the number.
2 The ________________ of a number is a value that, when multiplied by itself, gives you the original number.
3. A _____________ is when the square root results in a whole number.
4. What is the product property of radicals?
5.The ___________ formula measures the length of a line segment or the distance between two points.
6. A right triangle is a triangle in which one angle is a right angle that measures _______ degrees.
7. The _________________ is the side opposite the right angle.
8. The ____________ is one of the two sides that forms the right angle of a triangle.
9. What is the Pythagorean Theorem?
10.The __________ of a triangle is a line segment that extends from the vertex and is perpendicular to the side opposite the vertex.
11. In a right triangle, the _______ of an angle is the length of the opposite side divided by the length of the hypotenuse.
12. In a right triangle, the _______ of an angle is the length of the adjacent side divided by the length of the hypotenuse
13. In a right triangle, the __________of an angle is the length of the opposite side divided by the length of the adjacent side.