2 years ago

The circumference of a circle is 9π m. What is the area, in square meters? Express your answer in terms of π π

Mathematics

1 answer:

storchak [24]2 years ago

5 0

Answer:

A = 20.25π sq meters

Step-by-step explanation:

C = 2πr

9π = 2πr

divide π from each side to get:

9 = 2r

r = 9/2 or 4 1/2

A = πr²

A = π (4.5²)

A = 20.25π

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