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natulia [17]
3 years ago
5

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.

Mathematics
2 answers:
Vilka [71]3 years ago
7 0

Answer:

IG=28.9\ ft

Step-by-step explanation:

we know that

In the right triangle GHI

cos(G)=\frac{IG}{GH} ----> by CAH )adjacent side divided by the hypotenuse)

substitute the given values

cos(21^o)=\frac{IG}{31}

solve for IG

IG=cos(21^o)(31)=28.9\ ft

see the attached figure to better understand the problem

Anestetic [448]3 years ago
5 0

Answer:

24.6

Step-by-step explanation:

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