If triangle ABC, ANGLE C IS 30 DEGREE MORE THAN ANGLE A BUT ANGLE IS 15 DEGREE LESS THAN ANGLE B, FIND ALL ANGLE
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Answer:
a = 35
b = 80
c = 65
Step-by-step explanation:
c = a + 30 and c = b - 15
Therefore b - 15 = a + 30
b = a + 30 + 15
b = a + 45
a = a
b = a + 45
c = a + 30
angle a + angle b + angle c = 180
a + (a + 45) + (a + 30) = 180
3a + 75 = 180
3a = 180 - 75 = 105
a = 105/3 = 35
a = 35
b = 80
c = 65
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