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20-09-2018
Mathematics

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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.

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tramserran tramserran

20-09-2018

cos θ = [tex]\frac{adjacent}{hypotenuse}[/tex]

cos ∠N = [tex]\frac{10}{20.4}[/tex]

∠N = cos⁻¹ [tex](\frac{10}{20.4})[/tex]

∠N = 60.65°

Answer: 61°

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