Question

find the area of circle ,whose radius is 2.1m and 14cm​

Answer 1

Answer:

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Answer 2

Answer:

$r \: = 2.1 \\ area \: = {\pi \: r}^{2} \\ \: \: \: = \frac{22}{7} \times 2.1 \\ \: = 22 \times .3 \\ = 6.6$