Elective - Geometry

4. A _______ polygon is a convex polygon that is both equilateral and equiangular.
7. A _______ has two pairs of parallel sides.
9. A _______ has four congruent sides.
10. A polygon is _______ if and only if at least one of its sides is contained in a line, which also contains points in the interior of the polygon.
11. In any _______ triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the two sides.
14. The remote interior angles are angles which are not _______ to the given exterior angle of the triangle.
16. This is an altitude of a triangle if it is perpendicular from a vertex of the triangle to the line that contains the opposite side.
17. A triangle is either acute, right, obtuse, or equiangular depending on the _______ of its angles.
18. A _______ has four right angles.
19. If a radius is perpendicular to a chord, then it _______ the chord.

1. A segment is a _______ of a triangle if its endpoints are a vertex and the midpoint of the opposite side.
2. This is a polygon formed by three segments, joining three noncollinear points.
3. A ______ has four right angles and four congruent sides.
5. It is the union of three or more coplanar segments.
6. The angle bisector of a triangle is a segment contained in the _______.
8. The _______ is greater than any of its parts.
11. An angle inscribed in a semicircle is a _______ angle.
12. A _______ has exactly one pair of parallel sides.
13. A _______ is either scalene, isosceles, or equilateral depending on the length of its sides.
15. A polygon is _______ if the lines containing the sides of the polygon do not contain points in its interior