geometry crossword

2. a triangle with all three sides of equal length
7. the scaling of an object, where it gets bigger or smaller
9. a line segment or an angle is divided into two equal parts
10. a circle that is formed by two chords that have a common end point on the circle.
13. the angles which are formed at corresponding corners when two parallel lines are intersected by a transversal
14. Algebraic expression that gives the distances between pairs of points in terms of their coordinates
15. a unit used to represent the measurement of an angle
16. the ratio of each side of a plane triangle to the sine of the opposite angle is the same for all three sides and angles.

1. the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse
3. the square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them.
4. the angle between a side of a polygon and an extended adjacent side
5. a point in the triangle's plane that is in some sense in the middle of the triangle.
6. transformation that takes each point in a figure and slides it the same distance in the same direction.
8. a trapezoid in which non-parallel sides and base angles are of the same measure.
11. two figures or objects that have the same shape and size
12. the point on a line segment or an arc that is equidistant, when measured along the line or the arc, from both endpoints