Find the area of the following circles, given that [Use π = 22/7]
Find the area of the following circles, given that [Use π = 22/7]
(a) radius = 14 mm
(b) diameter = 49 m
(c) radius 5 cm
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(a) Area of circle = π r 2
= 22 /7x14 x14
= 22 x 2 x 14 = 616 mm2
(b) Diameter = 49 m
\ radius = 49/2 = 24.5 m
\ Area of circle = π r 2
= 22/7 x 24.5 x 24.5
= 22 x 3.5 x 24.5
= 1886.5 m2
(c) Area of circle = π r 2
= 22/7 x 5 x 5
= 550/7 cm2
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