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There is a circular garden of radius 21 ...

There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area (in `metres^2`) of the path?
21 मीटर त्रिज्या वाला एक वृत्ताकार उद्यान है। उद्यान के ठीक बाहर 3.5 मीटर चौडाई वाले एक पथ का निर्माण किया गया है। पथ का क्षेत्रफल (`मीटर^2` में) क्या है?

A

500.5

B

575.6

C

521.2

D

560.7

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CHAMPION PUBLICATION-2017 TIER-II PAPER(11)-EXERCISE
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