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In Triangle LMN, < M is a right angle. If MN = 10 and LN = 20.4, determine m < N to the nearest degree.

User Usi Usi
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1 Answer

2 votes

cos θ =
(adjacent)/(hypotenuse)

cos ∠N =
(10)/(20.4)

∠N = cos⁻¹
((10)/(20.4))

∠N = 60.65°

Answer: 61°

User Govil
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