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mr_godi [17]
2 years ago
12

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

Mathematics
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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