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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
4.14 Circumference of a Circle - I

Example:
The diameter of a circle is 21 cm. Find its circumference.

Solution:
Given that,
Diameter (d) = 21 cm.
The circumference of the circle = pd.
We know the value of p = 22/7
Circumference = 22/7 * 21
= 22 * 3
= 66 cm.


Directions: Read the above example carefully and answer the following questions.
  • Draw 10 different circles. Find the circumference of each circle by using the formula and by using a thread.


Q 1: The radius of a circle is 225 cm. Find its circumference.
105.25 cm
90.28 cm
94.25 cm
86.30 cm

Q 2: Find the radius of a circle if its circumference is given by 219.91 cm.
36 cm
46 cm
35 cm
40 cm

Q 3: The diameter of a circle is 5.25 cm. Find its circumference.
16.5 cm
18 cm
19.5 cm
20.5 cm

Q 4: Find the diameter of a circle if its circumference is given by 20p.
16 cm
20 cm
15 cm
19 cm

Q 5: The diameter of a circle is 35 cm. Find its circumference.
110 cm
120 cm
100 cm
90 cm

Q 6: Find the diameter of a circle if its circumference is given by 33 cm.
10.5 cm
12.5 cm
4.3 cm
6.3 cm

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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