SOLUTION: The given traingles is an isosceles triangle with AB=AC. If Angle A measures 78 degrees find the measure of Angle B
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Question 1149290: The given traingles is an isosceles triangle with AB=AC. If Angle A measures 78 degrees find the measure of Angle B Answer by ikleyn(52780) (Show Source):
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The given triangle is an isosceles triangle with AB=AC. If Angle A measures 78 degrees find the measure of Angle B
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The measure of the angle B is m(B) = = 51 degrees.
Rationales :
a) the angles at the base of an isosceles triangle are congruent, and
b) the sum of interior angles of each triangle is 180 degrees.