Question

Two similar triangles have a scale factor of 5:3. The perimeter of the larger triangle is 75 sq inches. What is the perimeter of the smaller triangle measured in inches?

Answer 1

45 inches

Explanation:

Create a proportion where x is the perimeter of the smaller triangle:

`(5)/(3)` =
`(75)/(x)`

Cross multiply and solve for x:

5x = 225

x = 45

So, the perimeter of the smaller triangle is 45 inches