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zimovet [89]
3 years ago
11

Use the formula for the area of a circle to solve for the radius of the circle if the area is 78.5cm^2

Mathematics
1 answer:
postnew [5]3 years ago
5 0

Answer:

Area = PI * radius^2

radius = Sq Root (Area / PI)

radius = Sq Root (78.5 / PI)

radius = Sq Root (24.9873260654)

radius = 4.9987

radius = 5 (rounded)



Step-by-step explanation:


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