SOLUTION: Consider ABC with the measure of angle B equal to 60 degrees, and side lengths a=4 and c=5. What is an expression that is equivalent to the length of side b?

Question 1114327: Consider ABC with the measure of angle B equal to 60 degrees, and side lengths a=4 and c=5. What is an expression that is equivalent to the length of side b?
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Consider ABC with the measure of angle B equal to 60 degrees, and side lengths a=4 and c=5. What is an expression that is equivalent to the length of side b?
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See the Cosine Law.
Answer by josgarithmetic(39631) (Show Source): You can put this solution on YOUR website!

simplify. Compute b.
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