SOLUTION: the sides of a triangle are 5, 6, and 10 find the perimeter of a similar triangle whose shortest side is 15. now to find perimeter wouldndt you add all the numbers up but not sure

Question 698768: the sides of a triangle are 5, 6, and 10 find the perimeter of a similar triangle whose shortest side is 15. now to find perimeter wouldndt you add all the numbers up but not sure wat to do from there
Answer by Simnepi(216) (Show Source): You can put this solution on YOUR website!
First thing is to find the sides of the larger triangle.
Because the triangles are similar, all the sides of the larger triangle are in proportion with the small triangle.
The short side of the smallest triangle is 5 and the short side of the larger triangle is 15, this means that the sides of the larger triangle are all 3 times the lengths of the small one.
So the side lengths of the big triangle are 15 (3X5), 18(3X6) and 30(3X10).
Adding these numbers to find the perimeter of the big triangle gives
15+18+30=63.
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