16 In triangle ABC , BC is produced to D . angle A =x + 30°, angle B =3x+25° and angle ACD = 5x - 5°. Find x and angle B
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Step-by-step explanation:
Angle a = x+30
Angle b = 3x+25
Angle ACD = 5x-5
According to exterior angle property:
ACD = a=b
5x-5 = x+30 + 3x + 25
5x-5 = 4x + 55
5x-4x = 55+5
x= 60
Angle b = 3*60 +25
Angle b = 180 + 25
Angle b = 205
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