Question

the area of a circular plate is 154 cm. find the radius of the circle. ​

Answer 1

Step-by-step explanation:

Area = pie× r2

154 =22/7×r2

154×7/22 = r2

49 = r2

7 = r

hope you got what you WANT

Answer 2

Answer:

Radius of a circle will be 7 cm.

Explanation:

$total \: surface \: area = 154 {cm}^{2} \\ therefore \: 22 \div 7 \times r {}^{2} = 154$

$r {}^{2} = 154 \times 7 \div 22 \\ therefore \: r = 49 {}^{2} \\ r = 7cm$

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