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The area of a circle is represented by the equation A = π r 2 , where r is the radius. The area is 64 π m 2 . What is the length of the diameter? 4 meters 4 meters 8 meters 8 meters 16 meters 16 meters 32 meters 32 meters

Respuesta :

Answer:

16 meters

Step-by-step explanation:

Area of a circle = πr²

Diameter of a circle = 2 x r

where r = radius

If area of the circle is given, the radius can be determined by finding the square root of the area

64 πm²  = πr²

r² = 64 πm²

r = √64

r = 8m

diameter = 8 x 2 = 16m

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