Math Circles MCQ Test: Math Circles MCQs - Practice Questions
1. If the circumference of a circle is 36π units, what is the diameter?
2. What is the relationship between the radius and diameter of a circle?
3. In a circle, what is the name of the line segment that connects two points on the circle?
4. What is the name of the angle formed by the intersection of a tangent and a chord in a circle?
5. What is the measure of the central angle subtended by a quarter of a circle?
6. If the radius of a circle is 15 units, what is the length of an arc subtended by a central angle of 75 degrees?
7. If the diameter of a circle is 30 units, what is the length of an arc subtended by a central angle of 60 degrees?
8. What is the area of a circle with radius 9 units?
9. If the radius of a circle is 10 units, what is the length of an arc subtended by a central angle of 45 degrees?
10. If the radius of a circle is 18 units, what is the length of an arc subtended by a central angle of 105 degrees?
11. What is the formula for the area of a circle in terms of the diameter?
12. If the diameter of a circle is 20 units, what is the length of an arc subtended by a central angle of 135 degrees?
13. If the diameter of a circle is 10 units, what is the radius?
14. What is the name of the angle formed by the intersection of two tangents in a circle?
15. If the circumference of a circle is 20π units, what is the radius?
16. What is the formula for the area of a circle?
17. In a circle, if the inscribed angle is 60 degrees, what is the measure of the central angle subtended by the same arc?
18. If the diameter of a circle is 24 units, what is the length of an arc subtended by a central angle of 90 degrees?
19. In a circle, if the inscribed angle is 90 degrees, what is the relationship between the inscribed angle and the diameter?
20. If the radius of a circle is 5 units, what is the diameter?
21. If the diameter of a circle is 40 units, what is the length of an arc subtended by a central angle of 120 degrees?
22. If the radius of a circle is 8 units, what is the length of an arc subtended by a central angle of 135 degrees?
23. If the radius of a circle is 15 units, what is the length of an arc subtended by a central angle of 90 degrees?
24. If the area of a circle is 25π sq units, what is the radius?
25. If the radius of a circle is 45 units, what is the length of an arc subtended by a central angle of 180 degrees?
26. If the diameter of a circle is 12 units, what is the circumference?
27. What is the formula for the circumference of a circle in terms of the diameter?
28. What is the name of the segment in a circle formed by an inscribed angle?
29. What is the name of the angle formed by the intersection of two chords in a circle?
30. What is the measure of an inscribed angle in a circle if it subtends a semicircle?
31. In a circle, if the inscribed angle is 150 degrees, what is the measure of the central angle subtended by the same arc?
32. In a circle, if the central angle is 120 degrees, what is the measure of the inscribed angle subtended by the same arc?
33. If the radius of a circle is 25 units, what is the length of an arc subtended by a central angle of 120 degrees?
34. In a circle, if the inscribed angle is 120 degrees, what is the relationship between the inscribed angle and the central angle subtended by the same arc?
35. What is the measure of an inscribed angle in a circle if it subtends an arc of 90 degrees?
36. What is the name of the longest chord in a circle?
37. If the radius of a circle is 3 units, what is the circumference?
38. If the diameter of a circle is 8 units, what is the radius?
39. If the radius of a circle is 4 units, what is the area?
40. In a circle, if the central angle is 30 degrees, what is the measure of the inscribed angle subtended by the same arc?