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Find the area of a circle whose diameter is 7cm​
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Find the area of a circle whose diameter is 7cm​

User Alim
by
4.4k points

2 Answers

3 votes

Answer:

3.5pi

Explanation:

just multiply together and you'll get your answer

User Marcus Gabilheri
by
4.6k points
6 votes

Answer:

38.5 cm^2

Explanation:

Diameter ( d ) = 7 cm

Radius ( r ) = 7 / 2 cm

Formula : -

Ar ( circle ) = π r^2

π r^2

= ( 22 / 7 ) x ( 7 / 2 )^2

= ( 22 / 7 ) x ( 49 / 4 )

= 38.5 cm^2

User Moesef
by
4.3k points
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