Answer:
55 ft... The ladder must extend 55ft
Step-by-step explanation:
[tex]c = \sqrt{a ^{2} + b ^{2} } \\ = \sqrt{33 ^{2} + 44 ^{2} } \\ = \sqrt{1089 + 1936 } \\ = \sqrt{3025} \\ c = 55[/tex]
