SOLUTION: What is the length of the base of an isosceles triangle if the congruent sides are 2.5m and the vertex angle is 25 degrees
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Question 1030009: What is the length of the base of an isosceles triangle if the congruent sides are 2.5m and the vertex angle is 25 degrees Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! What is the length of the base of an isosceles triangle if the congruent sides are 2.5m and the vertex angle is 25 degrees
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Law of Cosines::
B^2 = 2.5^2 + 2.5^2 - 2*2.5^2*cos(25)
B^2 = (2.5^2)(1-cos(25))
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B^2 = 0.5856
Base = 0.7652 m
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Cheers,
Stan H.
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