Question

in the adjoining figure the area enclosed between the concentric circles is 770cm².if the radius of the o
uter circle is 21 cm calculate the of the inner circle ​

Answer 1

Answer:

I hope it's helpful for you

Answer 2

Answer:

Area of outer circle=πr²=22/7*21*21

Area of outer circle=22*3*21=66*21

Area of outer circle=1386 cm²

Area of the outer circle-Area enclosed between them= Area of the inner circle

1386-770=Area of the inner circle

616 cm²= Area of the inner circle

STAN KPOP IDOLS

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