SOLUTION: In an isosceles triangle ABC, AC and CB are each 15 inches. Angle A and angle B are both 55o . Find the length of AB, to the nearest inch.

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Question 1155023: In an isosceles triangle ABC, AC and CB are each 15 inches. Angle A and angle B are both 55o
.
Find the length of AB, to the nearest inch.
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
This or similar kind was recently answered.

Draw the described triangle.
Angle at C is 70 degrees.

Law Of Cosines will give you side AB.
AB%5E2=15%5E2%2B15%5E2-2%2A15%2A15%2Acos%2870%29
and you can do the rest.