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11-01-2021
Mathematics

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In ΔGHI, the measure of ∠I=90°, the measure of ∠G=21°, and GH = 31 feet. Find the length of IG to the nearest tenth of a foot. please help

Respuesta :

21-01-2021

Answer:

28.9

Step-by-step explanation:

cosG=

hypotenuse

adjacent

=

31

x

\cos 21=\frac{x}{31}

cos21=

31

x

31\cos 21=x

31cos21=x

x=28.941\approx \mathbf{28.9}\text{ feet}

x=28.941≈28.9 feet

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