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

Question

4 years ago

6

of the new circle?
A. 98pi cm
B. 144pi cm
C. 282pi cm
D. 542pi cm

1 answer:

Katen [24] · Answer 1 · 2022-01-13T23:48:54+03:00

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