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1. The magnitude of the area of a circle is seven times that of its circumference. What is the circumference (in units) of the circle ?

A. 88 units

B. 132 units

C. 616 units

D. Cannot be determined

Solution:

\begin{aligned} π R^{2} = 7 \times (2 π R) \\ \Rightarrow R = 14 \\ ∴ Circumference : \\ = (2 \times \frac{22}{7} \times 14) units \\ = 88 units \end{aligned}

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