18.2 ft
7 ft
Fill in the Blanks. Round your answer to the nearest tenth.

Answer:
16.8
Step-by-step explanation:
a²+b²=c²
Rearrange
b²=c²-a²
18.2²-7²=b²
331.24 - 49 =282.24
[tex]\sqrt282.24 = 16.8[/tex]