An artist created a circular college logo for an adult-sized T-shirt that has an area of 196 cm2. If the diameter of the logo must be 10 cm smaller to fit on a child-sized T-shirt, what is the area of the smaller logo?

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step-by-step explanation:

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40% off the regular price is the correct answer.

step-by-step explanation:

the correct answer is 5 6 and 7

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