Geometry Crossword

2. either of the angles of a triangle that have one side in common with the base
4. segment that connects the midpoints of two sides of a triangle.
5. triangle with three acute angles
8. a line that passes through two lines in the same plane at two distinct points
9. Greek mathematician
10. a straight line segment whose endpoints both lie on a circular arc
11. consists of three positive integers a, b, and c, such that a² + b² = c²
12. In geometry, two or more objects are said to be ______, coaxal, or coaxial when they share the same center or axis
14. two angles that have a common vertex and a common side but do not overlap are ___?
17. Means, in the same plane
18. an object that has both a magnitude and a direction
19. a portion of a curve or circle
20. _______ represents two objects that are similar when they have the same shape, or one has the same shape as the mirror image of the other

1. an angle whose apex is the center of a circle
3. concerned with the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle
6. involves finding the probability of more than one event occurring at the same time
7. the angle formed in the interior of a circle when two chords intersect on the circle
13. The area of the lateral surface is...?
15. a line segment joining two vertices of a polygon or polyhedron, when those vertices are not on the same edge
16. two ratios that are set equal to each other