Question

the figures below are similar. use proportions to find the length of m. 3 1 m 5 m = ?

Explanation:

Step1: Set up proportion

Since the figures are similar, the ratios of corresponding sides are equal. So we have $\frac{3}{1}=\frac{m}{5}$.

Step2: Cross - multiply

$3\times5 = 1\times m$.

Step3: Solve for m

$m = 15$.

Answer:

15