1. The circumference of a circle is 39.6 cm. Find its area.
Answers
Answered by
1
Step-by-step explanation:
Given : Circumference of a circle =2πr=39.6 cm
⇒2×
7
22
r=39.6
⇒r=
44
39.6×7
=6.3 cm
Area of a circle =πr
2
=
7
22
×6.3×6.3=124.74 sq.cm
Answered by
1
Step-by-step explanation:
circumference= 2πr
39.6= 2*3.14 * r
r= 39.6/(2*3.14)
r= 39.6/6.28
r= 6.30
area of circle = πr²
= 3.14* 6.30²
= 124.6 approx.
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