2 years ago

What is the area of a circle with a Radius of 4 and a Diameter of 2? (Its on Khan)

1 answer:

algol132 years ago

7 0

Answer:4^2≈50.26548

Step-by-step explanation:

πr2.

Where r is the radius and π≈3.14 , the ratio of a circle's circumference to its diameter.

Plugging in 4 from the radius, we get.

42π

⇒16π inches.

This is our exact answer. Alternatively, we can plug in 3.14 for π to get.

50.26 inches.

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