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The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is five times the measure of the first angle. The third angle …
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The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is five times the measure of the first angle. The third angle …
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Aug 7, 2024
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The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is five times the measure of the first angle. The third angle is 14 more than the second.
Mathematics
high-school
Futuretec
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A+B+C=180
B+C=5A
B+14=C
-5A + B + C = 0
Times -1
5A - B - C = 0
+
A + B + C = 180
6A = 180
A = 30
B + (B+14) =5(30)
2B + 14 = 150
2B = 136
B = 68
(68) + 14 = C
C = 82
(30,68,82)
Keishan
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Aug 14, 2024
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Keishan
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