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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics
4.34 Area of Base of Cone

Example:
The diameter of a cone is 14cm. Find its area of base of cone.
Solution:
Area of base of cone = pi * r2
Given that,
The diameter of cone is 14cm.
radius (r) = d/2 = 14/7 = 7cm.
Area of base of cone = pi * r2
= 22/7 * 7 * 7
= 154 Sq. cm.
Directions: Solve the following problems. Also write at least 5 examples of your own.
Q 1: The diameter of a cone is 35cm. Find its area of base of cone.
958.5 Sq. cm.
960.5 Sq. cm.
962.5 Sq. cm.
964.5 Sq. cm.

Q 2: The diameter of a cone is 17.5cm. Find its area of base of cone.
240.5 Sq. cm.
None of these
240.625 Sq. cm.
240.25 Sq. cm.

Q 3: The diameter of a cone is 49cm. Find its area of base of cone.
1882.5 Sq. cm.
1884.5 Sq. cm.
1880.5 Sq. cm.
1886.5 Sq. cm.

Q 4: The diameter of a cone is 7cm. Find its area of base of cone.
32.5 Sq. cm.
34.5 Sq. cm.
38.5 Sq. cm.
36.5 Sq. cm.

Q 5: The diameter of a cone is 63cm. Find its area of base of cone.
3118.5 Sq. cm.
3128.5 Sq. cm.
None of these
3028.5 Sq. cm.

Q 6: The diameter of a cone is 21cm. Find its area of base of cone.
344.5 Sq. cm.
342.5 Sq. cm.
346.5 Sq. cm.
348.5 Sq. cm.

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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