Asked by Judy
To the nearest minute, what is the approximate size of the smallest angle of a triangle whose sides are 4,5, and 8?
How do I find the angle?
How do I find the angle?
Answers
Answered by
Reiny
Use the cosine law.
4^2 = 5^2 + 8^2 - 2(5)(8)cos ß
where ß is the angle opposite the side of 4
4^2 = 5^2 + 8^2 - 2(5)(8)cos ß
where ß is the angle opposite the side of 4
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