find the area of circle whose diameter is 7 centimetre
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Answered by
3
The area of a circle is given by formula:
πr2
Where,
π has a constant value of ≈3.14
and r denotes the radius.
The radius of the circle is half the diameter =d2=72=3.5cm
The area =πr2≈3.14×(3.5)2
=3.14×(12.25)
=38.465 cm2
≈38cm2
πr2
Where,
π has a constant value of ≈3.14
and r denotes the radius.
The radius of the circle is half the diameter =d2=72=3.5cm
The area =πr2≈3.14×(3.5)2
=3.14×(12.25)
=38.465 cm2
≈38cm2
Answered by
1
=22/7*7/2*7/2
=77/2
=38.5m^2
=77/2
=38.5m^2
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