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Helpppppppppppppppppppppppppp
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Helpppppppppppppppppppppppppp

Helpppppppppppppppppppppppppp-example-1
User Paul Wray
by
8.2k points

1 Answer

3 votes

Answer:

x ≈ 16.2

Explanation:

using the cosine ratio in the right triangle

cos72° =
(adjacent)/(hypotenuse) =
(NO)/(MO) =
(5)/(x) ( multiply both sides by x )

x × cos72° = 5 ( divide both sides by cos72° )

x =
(5)/(cos72) ≈ 16.2 ( to the nearest tenth )

User Andrew Vickers
by
8.0k points
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