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What is the measure of segment ac?

What is the measure of segment ac?-example-1
User Yully
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2 Answers

3 votes
When all three sides and an angle in a triangle are involved, you must use the cosine rule.

a^2 = b^2 + c^2 - 2bc cos A, where A is the angle opposite side a.
When you substitute the values in, you get
a^2 = 324 + 289 - 612 cos(118)
a^2 = 497.25

So, a = 22.30 m
User Tahmid Rahman
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1 vote
This is the answer due to the cosine rule a = 22.30 m
User David Ham
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