The circumference of a circle is 31.4 CM what is the area of the circle
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Step-by-step explanation:

The circumference of the circle = 31.4 cm

⇒ 2π r = 31.4

⇒ 2 x 3.14 x r = 31.4

⇒r =31.4/(2 x 3.14) = 5 cm

Then area of the circle = π r 2

= 3.14 x 5 x 5

= 78.5 cm2

Therefore, the radius and the area of the circle are 5 cm and 78.5 cm2 respectively.

step-by-step explanation:

the true ones are a b and d