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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?

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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