Question

is
The area
of a
circle is 154 cm² its diameter
b) 14 cm c) 21cm d) 28 cm
a) 7 cm​

Answer 1

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Given :-

Area = 154 cm²

To find

Radius = ?

According to the question

Area = Pie × Radius ²

A = π r²

● 154 = 22/7 × r²

● r² = 7/22 × 154

● r² = 49

● r = √49

● r = 7 cm

Therefore radius is 7 cm.

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I hope it will help you ....