Question

in the given figure AB parallel to CD parallel to EF, find the value of x​

Answer 1

Answer:

since AB is parallel to CD and CD is parallel to EF then .. AB is also parallel to EF ... now

<FEA= <EAB (alternate angles)

70 = 30 + CAB

40 = <CAB

now....

AB is parallel to CD then

<CAB + <ACD = 180 ° (co interior angles )

40 + x= 180

x = 180-40

x = 140°

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Answer 2

answer is 140

...

Step-by-step explanation:

angle A = angle e. by alternate

so angle cab = 40

x = 180- 40

= 140 by co interior