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a=67 b=48
Step-by-step explanation:
angle(ABM)+angle(ABC)=180 [linear pair]
angle(ABC)=180-132
=48
b=angle(ABC)=48 [alternate angles]
a+angle(ABC)+angle(ACB)=180 [angle sum property]
a=180-(48+65)=67
Answer:
a=67°, b=48°
Step-by-step explanation:
b+132°=180°=>b=48°(angles on same side of transverse line are supplementary)
now, angle ABC=b=48°(alternate interior angles)
So by angle sum property of a triangle,
a+65°+48°=180°=>a=180°-113°=67°