theosiri14 theosiri14

09-02-2021
Mathematics

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Please help me in this

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musiclover10045 musiclover10045

09-02-2021

The answer is A. 2 and 4

Reason:

To formula for circumference is 2 x r x pi

2 x 2 = 4, 2 x 4 = 8and 4 + 8 = 12

Area is r ^2 x pi

2 ^2 = 4, 4^2 = 16 and 4 + 16 = 20

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