The circumference of a circle is is 31.4cm. find the radius and also find area?
Answers
Answered by
3
circumference = 31.4
2* pie* r =31.4
r = 31.4/2*3.14
= 5
area = pie*r*r
=3.14 *5*5
=78.5 sq cm
2* pie* r =31.4
r = 31.4/2*3.14
= 5
area = pie*r*r
=3.14 *5*5
=78.5 sq cm
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Answered by
2
radius=?
2πr=31.4
=>r=31.4/2π
=>r=31.4/2(22/7)
=>r=219.8/44
=>r=4.99
~5cm
area=πr^2
=(22/7)×5×5
=78.57
I hope this is the answer
2πr=31.4
=>r=31.4/2π
=>r=31.4/2(22/7)
=>r=219.8/44
=>r=4.99
~5cm
area=πr^2
=(22/7)×5×5
=78.57
I hope this is the answer
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