Question

Lines I || M and P || Q : Find angles a,b,c,d

Answer 1

Answer:

a=180-60=120

b=180-120=60

c=b=60

d=180-60=120

Answer 2

Answer:

60+a = 180 (Co interior angle)

a=180-60

a=120

a+x=180 (linear pair)

120+x=180

x=180-120

x=60

x+y=180 (coo interior angle)

60+y=180

y=180-60

y=120

y+b=180 (linear pair)

120+b=180

b=180-120

b=60

b+d=180 (linear pair)

60+d=180

d=180-60

d=120

b=c (vertical opposite angle)

60=60

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