Question

if the circumference of a circle sheet is 154m. Find its radius. also find the area of the sheet.(Take pi=22/7)



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Answer 1

Step-by-step explanation:

$\huge\bold\purple{Solution..}$

We know that circumference of a circle is: 2πr

Or, 2πr =154

or, 2r×22/7=154

or, 44r/7=154

or,44r=154×7

or, 44r=1078

or, r=1078/44

So,r =24.5

So,radius is :24.5 m⭐

Then,we know that area of a circle is: πr^2

or,Area = 22/7×(24.5)^2

or, Area =22/7×600.25

So, Area = 1886.5 m^2⭐

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Answer 2

We know that circumference of a circle is: 2πr

= 2πr =154

= 2r×22/7=154

=44r/7=154

=44r=154×7

= 44r=1078

r=1078/44

So,r =24.5

So radius is :24.5 m⭐

Then,we know that area of a circle is: πr^2

Area = 22/7×(24.5)^

Area =22/7×600.25

So, Area = 1886.5 m^2

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