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damaskus [11]
3 years ago
7

In the formula that gives the circumference of a circle, which quantity is multiplied by 21 ?

Mathematics
1 answer:
zloy xaker [14]3 years ago
5 0

Answer:

Radius

Step-by-step explanation:

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Step-by-step explanation:

The ratio of areas is the square of the scale factor.

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ratio of areas = (3/2)^2 = 9/4

volume of red solid = volume of blue solid * ratio of areas

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