What is the measures of the angles of △ABC are given by the expressions in the table. AND ITS NOT MULTIPLE CHOICE! REMEMBER ANGLE ABC ADD UP TOO 180 Angle Measure A = (6x−1)° B = 20° C = (x + 14)°

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asked Sep 13, 2018 138k views

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What is the measures of the angles of △ABC are given by the expressions in the table.

AND ITS NOT MULTIPLE CHOICE! REMEMBER ANGLE ABC ADD UP TOO 180

Angle Measure
A = (6x−1)°
B = 20°
C = (x + 14)°
What are the measures of angles A and C?

Mathematics
high-school

Jjathman asked

by Jjathman

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1 Answer

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6x-1+20+x+14=180
7x+33=180
7x=180-33
7x=147
x=21
A=125
B=20
C=35

Phedon Rousou answered Sep 20, 2018

by Phedon Rousou

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