Question

in figure 6,find the value of a,b,c,and d ,given that ABCDis a parallelogram​

Answer 1

Answer:

a=115°

c=40°

b=25°

Step-by-step explanation:

a=115° ( Alternative interior angles )

c+140°=180° ( Linear pair )

c=40°

a+b+c=180° ( Angle Sum Property )

b=180°-155°

b=25°

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