SOLUTION: In an isosceles triangle, the base is 30 centimeters long and the legs are each 17 centimeters long. Find the measure of a base angle to the nearest degree.
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Question 923911: In an isosceles triangle, the base is 30 centimeters long and the legs are each 17 centimeters long. Find the measure of a base angle to the nearest degree.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
think of half of the Isosceles triangle:
Per Diagram:
b = (1/2)Base = 15cm and h = 17 sm
∠A = cos(A) = 15/17
∠A = 28° Using Calculator
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