math

2. – A line, ray, or segment that divides another figure into two equal parts.
5. – Lines in the same plane that never intersect, no matter how far they extend.
6. – A closed figure with three or more straight sides.
7. – The longest side of a right triangle, opposite the right angle.
8. – A triangle with all three sides of equal length.
11. – Figures or angles that have the same size and shape.
13. – A mathematical statement that can be proven based on previously established statements, like other theorems or postulates.
15. – An angle that measures exactly 90 degrees.
18. – Lines that intersect at a 90-degree angle.

1. – A polygon with four sides and four angles.
3. – The total length of the sides of a polygon.
4. – Two angles whose measures add up to 90 degrees.
9. – A triangle with at least two sides of equal length.
10. – The figure formed by two rays sharing a common endpoint.
12. – The point where two or more lines, rays, or segments meet; a corner point of a polygon.
13. – A polygon with three sides and three angles.
14. – An angle measuring more than 90 degrees but less than 180 degrees.
16. – Two angles that share a common side and vertex, but do not overlap. Scalene – A triangle with all sides of different lengths.
17. – An angle measuring less than 90 degrees.