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serg [7]
3 years ago
7

A ladder reaches a window 20 feet above the ground. The foot of the ladder is 4 feet from the wall. Which of the following measu

res correspond to the length of the ladder? Round to the nearest hundredth.
Mathematics
2 answers:
forsale [732]3 years ago
6 0
Use pythagorians theorem a^2 + b^2 = c^2. 4^+20^ = 20.40 feet. The ladder is 20.40 feet long.
Dafna1 [17]3 years ago
6 0
A² + b² = c²
c² = 20² + 4²
c² = 416
c =√416
c = 20.40 (nearest hundredth)
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