Math Vocabulary

4. Measurement of a right angle
6. Triangle with three equal angles
9. Two ratios set equal to each other
11. Same shape and size
12. Angles that have the same relative position to the transversal
14. Measurement of an angle
15. Lines that never intersect
16. A line that cuts a system of lines
18. A closed figure composed of straight-line segments that meet at their endpoints

1. A shape with three sides
2. Triangles that are not congruent but are closely related are _______
3. Device used for calculations
5. Mathematician that is coined for the discovery of Pythagorean Theorem
7. Longest side of a triangle
8. A shape with no points or edges
9. An instrument for measuring angles
10. Writing an expression as a product of factors
13. Branch of mathematics concerned with the properties and relations of points, lines, surfaces, and solids
17. Name of triangle sides that are not the hypotenuse