Question

what is the radius if the area of the circle is 31.09 cm

Answer 1

Answer:

πR^2 = 31.09

put π=3.14

you will get R.

Answer 2

Answer:

$area \: of \: circle = \pi \: r {}^{2} \\ \frac{22}{7} \times {r}^{2} = 31.09cm \\ \\\frac{31.09 \times 7}{22} = \frac{217.63}{22} = 9.89cm$

HOPE IT HELPS YOU✔✔❇❇✌✌