Question

Missing side length

Answer 1

Answer:

m = 5

Step-by-step explanation:

We are told that the two triangles are similar.  Thus, each side of the larger triangle is the same multiple of the corresponding side in the smaller triangle.

Thus, 12 = k(7.2), where k is the constant of proportionality.

Solving this for k, we get

k = 12/7.2 = 1  2/3

Thus, side m is 1  2/3 times 3, or  5/3 times 3, or just 5.

m = 5