Respuesta :

In triangle ABC, the measure of angle B is 40 degrees more than three times the measure of angle A. The measure of angle C is 65 degrees more than the measure of angle A. Find the measure of each angle. 2. The perimeter of a triangle is 51 centimeters . the longest side is 3 centimeters less than the sum of... show more Follow  5 answers

triangle ABC:

<A + <B + <C = 180

<A = 180 - (<B + <C), <B = 40° and <C=100° (given)

<A = 180 - (40 + 100)

<A = 180 - 140

<A = 40

answer: measure of angle A = 40


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