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Q.

Find the perimeter of the following: Given(π=22/7)


A circle with a radius 8.4 m:


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a

25m

b

46m

c

52.8m

d

50.6m 

answer is C.

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Detailed Solution

Concept-  Here, we use the formula for the circle's perimeter, also referred to as its circumference and written as 2πr.
The circle's radius in this case is 8.4 meters, as stated in the question.
Radius: 8.4 meters
And we are aware that a circle's circumference is 2πr.
So,perimeter =2πr
= 2 × 22/7 × 8.4
 =44 × 1.2
= 52.8 m
Hence, option(3) 52.8m is correct
 
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