math

4. – Figures having the same center but different radii.
8. – The point where all altitudes of a triangle intersect.
9. – A line segment joining two non-adjacent vertices of a polygon.
10. – The part of a circle bounded by a chord and its corresponding arc.
11. – A flat shape with opposite sides equal and opposite angles equal.
12. – A line drawn from a vertex of a triangle perpendicular to its opposite side.
16. – A polygon with four sides and four angles.
17. – A quadrilateral with exactly one pair of parallel sides.

1. – The longest side of a right-angled triangle, opposite the right angle.
2. BISECTOR – A triangle’s line that divides an angle into two equal parts.
3. – A solid or plane figure bounded by four sides.
5. – A line segment joining two points on a circle.
6. – A quadrilateral with all sides of equal length but not necessarily right angles.
7. – The point where all medians of a triangle meet.
12. – The curved part of a circle or circumference between two given points.
13. – A quadrilateral with exactly one pair of parallel sides.
14. – The part of a circle bounded by an arc and its two radii.
15. – A straight line joining the center of a circle to any point on its circumference.