Geometry Crossword

3. The factor by which every length in an original figure is multiplied when you make a copy
5. The point at which all three angle bisectors of a triangle intersect
6. The set of points that are equidistant from a given point
7. The line perpendicular to the radius drawn on a point of tangency
8. The change of size of an object
10. The mass of an object divided by its volume
11. The point where the tangent line and circle meet
12. A line that intersects a pair of parallel lines
15. Rigid transformation that takes a point to another point using a directed line segment

1. The point at which all three perpendicular bisectors of a triangle meet
2. A quadrilateral with two pairs of opposite sides that are parallel
4. Which angle is half the measure of the central angle
9. Which angle is double the measure of the inscribed angle
13. A measure based on the radius of a circle
14. A quadrilateral with four right angles, with all the sides being the same length