![Circumference and Area of Circles](/circumference_and_area_of_circles/images/circumference_and_area_of_circles_logo.jpg)
Circumference of a Circle Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Circumference of a Circle. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
![Questions and Answers](/images/questions_and_answers.png)
![Circumference Quiz 2_1](/circumference_and_area_of_circles/images/circumference_quiz_2_1.jpg)
Answer : C
Explanation
Step 1:
Given diameter = 23 ; radius r = 23/2 = 11.5 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)11.5 = 72.22 units
![Circumference Quiz 2_2](/circumference_and_area_of_circles/images/circumference_quiz_2_2.jpg)
Answer : A
Explanation
Step 1:
Given diameter = 15 ; radius r = 23/2 = 7.5 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)7.5 = 47.1 units
![Circumference Quiz 2_3](/circumference_and_area_of_circles/images/circumference_quiz_2_3.jpg)
Answer : B
Explanation
Step 1:
Given radius r = 7.5 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)7.5 = 47.1 units
![Circumference Quiz 2_4](/circumference_and_area_of_circles/images/circumference_quiz_2_4.jpg)
Answer : D
Explanation
Step 1:
Given diameter = 6 ; radius r = 6/2 = 3 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)3 = 18.84 units
![Circumference Quiz 2_5](/circumference_and_area_of_circles/images/circumference_quiz_2_5.jpg)
Answer : A
Explanation
Step 1:
Given radius r = 8.5 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)8.5 = 53.38 units
![Circumference Quiz 2_6](/circumference_and_area_of_circles/images/circumference_quiz_2_6.jpg)
Answer : C
Explanation
Step 1:
Given radius r = 9 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)9 = 56.52 units
![Circumference Quiz 2_7](/circumference_and_area_of_circles/images/circumference_quiz_2_7.jpg)
Answer : D
Explanation
Step 1:
Given diameter = 19 ; radius r = 19/2 = 9.5 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)9.5 = 59.66 units
![Circumference Quiz 2_8](/circumference_and_area_of_circles/images/circumference_quiz_2_8.jpg)
Answer : B
Explanation
Step 1:
Given diameter = 29 ; radius r = 29/2 = 14.5 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)14.5 = 91.06 units
![Circumference Quiz 2_9](/circumference_and_area_of_circles/images/circumference_quiz_2_9.jpg)
Answer : C
Explanation
Step 1:
Given diameter = 1 ; radius r = 1/2 = 0.5 unit
Step 2:
Circumference of Circle = 2πr = 2(3.14)0.5 = 3.14 units
![Circumference Quiz 2_10](/circumference_and_area_of_circles/images/circumference_quiz_2_10.jpg)
Answer : D
Explanation
Step 1:
Given radius r = 6 units
Step 2:
Circumference of Circle = 2πr = 2(3.14)6 = 37.68 units