Posted by April :) on Wednesday, November 28, 2012 at 1:56pm.
A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!!
a)39 m2
b)169 m2
c)117 m2
d)142 m2

Algebra 8th grade please help!!!!!!  April :), Wednesday, November 28, 2012 at 2:34pm
Please help!!!! :(

Algebra 8th grade please help!!!!!!  Steve, Wednesday, November 28, 2012 at 3:03pm
if the sides grow by a factor of 3, the area grows by a factor of 3^2 = 9
9*13 = 117 
Algebra 8th grade please help!!!!!!  April :), Wednesday, November 28, 2012 at 3:53pm
Thank you!!! :)