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Aleks [24]
3 years ago
11

Use function notation to represent the area of a circle whose circumference is 136cm

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
7 0

Answer:

A(\frac{68}{\pi})=\frac{4624}{\pi}

Step-by-step explanation:

The given circle has circumference 136cm.

The formula for circumference is C=2\pi r

This implies that:

136=2\pi r

\frac{136}{2\pi}=r

\frac{68}{\pi}=r

The area of a circle is given as A(r)=\pi r^2

When r=\frac{68}{\pi}

A(\frac{68}{\pi})=\pi*(\frac{68}{\pi})^2

A(\frac{68}{\pi})=\pi*\frac{(68)^2}{\pi^2}

A(\frac{68}{\pi})=\frac{4624}{\pi}

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