ind the area of the circle whose circumference is 154 cm
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Circumference of a circle = 2πr
According to the question,
2πr = 154 cm
πr = 154/2 = 77
radius, r = 77 × 7/22
radius, r = 7 × 7/2
radius, r = 24.5 cm
Area of a circle = πr^2
Area of the circle = 22/7 × 24.5 × 24.5
Area of the circle = 1886.5 sq.cm
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Answer :-
Circumference of a circle = 2πr
According to the question,
2πr = 154 cm
πr = 154/2 = 77
radius, r = 77 × 7/22
radius, r = 7 × 7/2
radius, r = 24.5 cm
Area of a circle = πr^2
Area of the circle = 22/7 × 24.5 × 24.5
Area of the circle = 1886.5 sq.cm
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