Question

find the radius of the circle whose area is 706.5cm?

Answer 1

Answer:

Thus, the answer is 14.99 cm

Step-by-step explanation:

area of the circle = πr²

706.5cm = $\frac{22}{7}$ × r²

706.5 × $\frac{7}{22}$ = r²

$\frac{4,945.5}{22}$ = r²

224.79 = r²

$\sqrt{224.79}$ = r

14.99 = r

Thus, the radius of the circle is 14.99 cm.

!!!! THEREFORE, THE CORRECT ANSWER IS 14.99 cm !!!!  

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Answer 2

Answer:

area of the circle = πr²

706.5cm = \frac{22}{7}722 × r²

706.5 × \frac{7}{22}227 = r²

\frac{4,945.5}{22}224,945.5 = r²

224.79 = r²

\sqrt{224.79}224.79 = r

14.99 = r