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Find the area of the following square:
15 ft.

225

Step-by-step explanation:

The formula is a^2.

Where a is the side

So, 15^2

= 15x15

=225

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

well what did you do it matters what you did : )

step-by-step explanation: