Question

In the figure, lines m and n intersect at O, forming angles as shown in the figure. if a=45°,find the values of b, c and d.



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Answer 1

Answer:

a=45 degree

c= 45 degree (Vertically opposite)

a+b= 180 degree (Linear Pair)

Therefore, b= 135 degree

b=d (Vertically opposite)

Therefore, d=135 degree

Answer 2

Answer:

a=45

b=135

c=45

d=135

Step-by-step explanation:

a= 45

c=a=45  (Vertically opposite angles are equal)

a+b+c+d= 360

a+c= 90

b= 360-90= 270

b=d    (Vertically opposite angles are equal)

b+d= 270

b= 270/2

 =135

a=45

b=135

c=45

d=135