SOLUTION: Please help me figure this out. A triangle has an area of 24cm^2. By what scale factor must each of the dimension of the triangle be multiplied to give a similar triangle so

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Question 121545: Please help me figure this out.
A triangle has an area of 24cm^2. By what scale factor must each of the
dimension of the triangle be multiplied to give a similar triangle so
that the area is increased by 360cm^2?
Answers:
a) 3.9
b) 4
c) 8
d) 15
e) 16

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!
, so if then . Since each of the dimensions must be multiplied by the same scale factor and the product of the scale factors must be 15, we have . Of the given answers, a is the closest, although is the exact answer.
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