Circle rules Quiz
10 questions · easy to harder · Geometry · score and step-by-step answers
How it works
- 10 questions, about 20 minutes (a timer counts down; you can hide it). Solve it right here: no sign-up.
- 4 questions have choices. For the others you type the answer: a number like 4, −2, 7/2 or 3.5, or for example x = 4, x = 2 or x = −3, (3, 5), 2x + 1. Use ^ for powers (x^2) and sqrt for √. Any form with the same value counts (7/2 = 3.5).
- One question at a time: Back, Next, Mark for review and the question list at the bottom. A calculator is on the screen.
- At the end: your percent and grade, every question right or wrong, why a wrong choice is wrong, and its step-by-step solution. Then practise the lesson with new questions.
Your answers and results are kept in this browser only, so you can close the page and come back.
1 Question 1
Angle at the center x, angle at the edge 35. Find x.Type the answer.
2 Question 2
Angle at the center 130, angle at the edge x. Find x.Type the answer.
3 Question 3
Angle in a semicircle 35 and x. Find x.- A) x = 125
- B) x = 55
- C) x = 90
- D) x = 180
4 Question 4
Angles in the same segment 40 and x. Find x.Type the answer.
5 Question 5
Angle at the center 100, angle at the edge x + 15. Find x.- A) x = 50
- B) x = 35
- C) x = 65
- D) x = 20
6 Question 6
Angle at the center 3x, angle at the edge 42. Find x.Type the answer.
7 Question 7
Angle in a semicircle x + 10 and 2x + 20. Find x.- A) x = 180
- B) x = 120
- C) x = 20
- D) x = 90
8 Question 8
Angle at the center 140, angle at the edge x. Find x.Type the answer.
9 Question 9
Angle at the center 4x, angle at the edge x + 30. Find x.- A) x = 30
- B) x = 120
- C) x = 15
- D) x = 60
10 Question 10
Angle in a semicircle 3x and 2x + 15. Find x.Type the answer.