Math Puzzle

5. point at or near the middle of, or equidistant from, both ends.
7. the angle between adjacent sides of a rectilinear figure.
8. a result obtained by dividing one quantity by another.
10. is a parallelogram whose four sides are equal in length and two of its angles are less than the other two.
12. a straight line connecting the opposite corners of a polygon through its vertex.
13. is any smooth curve joining two points.
14. longest side of a right-angled triangle, the side opposite the right angle.
15. to the inclination of a linear, natural or constructive element with respect to the horizontal.
18. are two angles that have a common vertex and a common side but do not overlap.
19. the angle between a side of a rectilinear figure and an adjacent side extended outward.

1. a function is the set of all possible inputs for the function.
2. a polynomial that is the sum of two terms, each of which is a monomial.
3. a number multiplied by a variable.
4. The distance around a two-dimensional shape.
6. a triangle is a line segment through a vertex and perpendicular to the opposite side.
9. Having all sides of equal length.
11. point at which the value of a function is less than.
15. is the result of an addition.
16. a plane curve which is mirror-symmetrical and is approximately U-shaped.
17. is the point where two or more one-dimensional elements meet.