Question

The polygon in each pair are similar.find the missing side length

Answer 1

24

Explanation:

To find the missing side, write a proportion using side lengths from each similar shape. A proportion is an equation that sets equal two ratios.

`(40)/(48)=(20)/(y)`

Find y by cross multiplying numerator and denominator of each fraction.

40y = 48(20)

40y = 960

y = 24