Question

Triangles EFG and QRS are similar. The lengths of the sides of EFG are 72, 64, and 56. The length of the smallest side of QRS is 140, what is the length of the longest side of QRS?
A)
120
B) 180
C) 240
D) 360

Answer 1

Find a ratio between the smallest sides of both triangles first. :)

Answer 2

So would EFg: 56 and QRS: 140

Answer 3

I take that back EFG: 28 and QRS: 70

Answer 4

You can reduce it even further by using 7.