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Darya [45]
3 years ago
7

PLEASE HELP ASAP PLZZ I WILL GIVE BRAINLIEST In order to increase the circumference of a circle from 12pi cm to 18pi cm, by how

much must the diameter increase?​
Mathematics
2 answers:
klasskru [66]3 years ago
5 0

Answer:

<u>Diameter of first circle</u> = 2πr/π = d

  • 12π/π
  • 12cm.

<u>Diameter of second circle</u> = 2πr/π = d

  • 18π/π
  • 18cm.

<u>Diameter increases</u> = 18cm - 12cm

  • 6cm.

pshichka [43]3 years ago
3 0

Answer:

This is because the diameter of the smaller circle is 12pi/pi which is 12, and the diameter of the bigger one is 18pi/pi which is 18. 12 + 6 = 18, so the diameter increases by 6.

Step-by-step explanation:

brinliest pls

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