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Solve for x round to the nearest tenth if necessary
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4 votes
Solve for x round to the nearest tenth if necessary

Solve for x round to the nearest tenth if necessary-example-1
User Mysticalstick
by
5.9k points

1 Answer

2 votes

Answer:

Explanation:

take 60 degree as reference angle

using cos rule

cos 60 = adjacent / hypotenuse

1/2 = 80/x

do cross multiplication

2*80 = x

160 = x

160.0 = x

User Loi
by
6.1k points
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