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qwelly [4]
3 years ago
9

An electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 28 feet up. The

ladder makes an angle of 64 ∘with the ground. Find the length of the ladder. Round your answer to the nearest tenth of a foot if necessary.
Mathematics
1 answer:
Nookie1986 [14]3 years ago
8 0

Answer:

31.2 ft

Step-by-step explanation:

sin = opp/hyp

sin64 = 28/hyp

hyp = 28/sin64

use calculator

hyp = 31.15285433330529

Rounded

31.2 ft

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