After *triangle* ACE is dilated by a factor of 5, It has an area of 100 square inches. What was its area before dilation?
1 answer:
<h3>
Answer: 4 square inches</h3>
Explanation:
Square the linear scale factor to get 5^2 = 25
This means that,
new area = 25*(old area)
We take this idea in reverse to find the old area
old area = (new area)/25
old area = (100 sq inches)/25
old area = 4 square inches
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