Geometry crossword

3. Triangle with no angles 90 degrees or more. sum of the square of shorter sides is more than square of longest side.
5. a type of triangle with 2 equal sides. 2 of the angles are equal.
7. used to find the slope of 2 points. y1-y2/x1-x2
8. angles on the inside of a polygon. they add up to the number of sides minus 2 times 180
9. a closed figure formed by 3 or more line segments called sides. they all have different names based on amount of sides
10. one of the ways to find a triangle side. side across/hypotenuse
11. an angle on the outside of a polygon. all of them add up to 360 degrees
14. Triangle with one angle at 90 degrees. the sum of the squares of the 2 shorter sides = the square of the longest side
16. 2 lines that never touch. the slope of the 2 lines are =
18. A side only in a right triangle. its across from the right angle
19. 2 lines that intersect at a 90 degree angle. both lines have an opposite reciprocal slope
20. 2 polygons that have the same shape but different side lengths. the angles will be the same

1. d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}. used to find the distance between 2 points
2. a type of triangle where all sides are equal in length. The angles are all 60 degrees
4. used to find a side of a right triangle if 2 sides are found. A^2+B^2=C^2
6. a triangle with no equal sides. none of the angles are equal.
12. a regular polygon is a polygon where every side is equal. the angles are also all equal
13. one of the ways to find a triangle side. adjacent leg/hypotenuse
15. one of the ways to find a triangle side. side across/adjacent leg
17. Triangle with an angle over 90 degrees. sum of the square of shorter sides is less than square of longest side.