3 years ago

A photograph of a full moon is enlarged so that the diameter appears 2 times larger. How much larger

Mathematics

1 answer:

statuscvo [17]3 years ago

4 0

Answer:

ans 3

Step-by-step explanation:

Circumference is distance round a figure. When diameter is trippled, the circumference will also tripple.

Here is a proof

Take the moon to have circular shape and has diameter d

Circumference is given by C=πd

When the new diameter is trippled, diameter will be 3d and the new circumference will be

C=π3d=3πd

Evidently, the new circumference is three times the original circumference. Therefore, for this case, the new circumference will be 3 times the original

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If f(x)=(2x^2)-1, find:<br> -f(3x-1)+2

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