Question

find the radius of semicircle if its area is 7700 cm square
PLEASE
ANSWER
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Answer 1

Answer:

r=70 cm

Step-by-step explanation:

area

$\pi {r}^{2} \frac{1}{2}$

find radius

Answer 2

r=70 cm

area

\pi {r}^{2} \frac{1}{2}πr

2

2

1

find radius