Question

The linear scale factor of 2 similar shapes is 2:7. If the area of the bigger shape is 392cm²,find the area of the bigger shape

Answer 1

If 392 is the area of bigger shape, then area of smaller shape is:

392/7 x 2 = 56 x 2 = 112cm^2

If 392 is the area of smaller shape, then the area of bigger shape is:

392/2 x 7 = 1372cm^2

Sorry for giving 2 answers. Choose according to what the question says.

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