Question

find the lengths of the segments with variable expressions.
ef = 13
ad = 7
bc = \square

Explanation:

Step1: Use EF = x to find x

Given EF = 13 and EF = x, so x = 13.

Step2: Calculate BC using BC = 2x - 7

Substitute x = 13 into 2x - 7: 2(13) - 7 = 26 - 7 = 19.

Answer:

19