Mathematical Terms

4. An arc whose endpoints lie in the interior of an inscribed angle or central angle and has endpoints on the angle
5. Trigonometric ratio opposite/hypotenuse
6. Reciprocal of cosine
10. The side opposite the right angle in a right triangle
12. Reciprocal of tangent
13. Reciprocal of sine
18. A line segment joining two points on the circle and passing through the center
19. An angle whose vertex is at the center of the circle
20. Figure formed by two rays sharing a common endpoint

1. A line segment from the center of a circle to any point on the circle
2. Any triangle that does not have a right angle
3. Trigonometric ratio adjacent/hypotenuse
7. The part of the circumference of a circle between any two points on the circle
8. Trigonometric ratio opposite/adjacent
9. A triangle in which one of the interior angles measures 90°
11. A line that touches the circle at one point
14. A line that intersects a circle at two points
15. An angle whose vertex is a point on the circle and whose sides are chords of the circle
16. Side adjacent to an angle in a triangle
17. The figure formed when two lines, rays, or line segments meet at a common point