Iz1423
Answered

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PLEASE HELP!!!
A circle is increased to have a circumference that is 4 times larger than the original. Which of the following options best describes the change in the radius of the original circle?

increased by a factor of 16
increased by a factor of 12
increased by a factor of 8
increased by a factor of 4

Sagot :

chipp05

Answer:

Increased by a factor of 4

Step-by-step explanation:

The original circumference is:

C1 = 2 * pi * r1

The new circumference is:

C2 = (2 * pi * r2)

"circumference that is 4 times larger than the original"

(2 * pi * r2) = 4 (2 * pi * r1)

Rewriting:

r2 = 4r1

Answer:

The radius of the original circle is:

increased by a factor of 4

Hope this helps :)

Answer:

4 yw:)

Step-by-step explanation:

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