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OpenStudy (anonymous):
Both triangles are similar. The area of the smaller triangle is about 270 ft^2. What is the best approximation for the larger triangle?
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OpenStudy (anonymous):
|dw:1376409461359:dw|
OpenStudy (anonymous):
Ever seen this formula? A1 / A2 = (l1 / l2)^2
OpenStudy (anonymous):
Dont think i have
OpenStudy (anonymous):
Well, now you've seen it.
OpenStudy (anonymous):
Area 1 / area 2 = (length 1 / length 2)^2
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OpenStudy (anonymous):
(25/35)^2= .510
OpenStudy (anonymous):
So A1 = 270, and 270 / A2 = .510
OpenStudy (anonymous):
Solve for A2 and thats your answer
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