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Ede4ka [16]
4 years ago
6

A circle has a circumference of 24pi centimeters. If the radius of the circle is multiplied by 6, what will be the circumference

of the new circle?
A. 98pi cm
B. 144pi cm
C. 282pi cm
D. 542pi cm
Mathematics
1 answer:
Katen [24]4 years ago
6 0

Answer:144π

Step-by-step explanation:

C=2 x π x r

24π=2πr

Divide both sides by 2π we get

24π/2π=2πr/2π

12=r

radius(r)=12cm

When radius(r) is multiplied by 6 we get new radius(r) of 12x6=72cm

c=2xπxr

New circle circumference will be:

c=2xπx72

c=144π or 144pi

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