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Brrunno [24]
3 years ago
11

The circumference of a circle is 9π m. What is the area of the circle? ASAP!

Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0

Answer:

20.25 m²

Step-by-step explanation:

the area (A) and circumference (C) of a circle are calculated using the formulae

C = 2πr and A = πr² ( where r is the radius )

calculate the radius using the formula for circumference

2πr = 9π ( divide both sides by 2π )

r = \frac{9\pi }{2\pi } = \frac{9}{2} = 4.5, hence

A = π × 4.5² = 20.25π m²


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