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Schach [20]
3 years ago
15

A carpenter is constructing a straircase in a house. The distance from the first floor to the basement is 10.3 feet. The stairca

se will be 17.9 feet long. What angle do the stair make with the basement floor?
Mathematics
1 answer:
Anika [276]3 years ago
5 0

Answer:

35.1°

Step-by-step explanation:

sin θ = 10.3 / 17.9

θ = sin⁻¹(10.3 / 17.9)

θ = 35.1°

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