Question

the circumference of a circle is 8 times the circumference of the circle with radius 12 cm find its diameter

Answer 1

Answer:

The answer is 192 cm.

Explanation:

To find the circumference: diameter×π=2⋅radius×π

The small circle has a circumference of 2×12 cm×π=24π cm

To find the larger circle: multiply the circumference of the smaller by 8, so

8⋅24π cm=192π cm

To find diameter, divide by π to get a final answer of 192 cm.

Hope This Helps :)

Answer 2

$r \: \frac{d}{2} = \frac{12}{2 } \: = \frac{6}{1}$