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16 vote

The circumference of a circle is 88 cm, find its area?

Asked on by | Votes 16 | Views: 105 | Tags: ssc     | ssc chsl     | ssc chsl tier 1     | ssc chsl 2016     | ssc chsl 03 02 2017     | mensuration     | quantitative aptitude     | Add Bounty

The circumference of a circle is 88 cm, find its area?
1). 616 sq cm
2). 308 sq cm
3). 154 sq cm
4). 77 sq cm

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2 answers

15 vote
Answered by on | Votes 15 |
is option 1 is the correct answer?? am i right?

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0 vote
Answered by on | Votes 0 | | Last Updated: 2021-10-08 04:01:22

Solution:

Given :  Circumference of the circle = 88 cm 

That is, 2πr = 88 cm 

2 × (22/7) × r = 88 

r = (88 × 7)/ 2 × 22

r = (88 × 7)/ 44

r = 2 × 7

r = 14 cm 

So, Area of the circle = πr² sq.units 

= (22/7)(14)² cm²

= 22 × 2 × 14 cm²

= 616 cm²

So, the correct option is 1). 616 sq.cm.

 




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