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goldfiish [28.3K]
3 years ago
9

40 foot ladder is leaning against a building. The foot of the ladders is 32 feet

Biology
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0

Answer: 18°24'

cos

Explanation:

Use equation for cos α=b/c

b=32

c=40

cosα=32/40

cosα=4/5

csc=71.62°

α=71.62°

90°+α+β=180°

β=180-α-90

β=180-71,62-90

β=18.4°

β= 18°24'

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