Question

help me quickly ....please ​

Answer 1

Answer:

Then the value of r is 77*7/44is 49/4 means 12.25

Answer 2

Answer:

$2\pi \: r$

$\pi = \frac{22}{7}$

$r \: = \frac{ \frac{22}{7} }{2}$

$r \: = \frac{7}{22 \times 2}$

$r \: = \frac{7}{44}$

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