Math, asked by sivakumarganga1975, 8 months ago

in the figure ab parallel to cd then find value of x

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Answers

Answered by Anonymous

1

Answer:

Since AB parallel to CB

therefore,

5x-20 + 2x-10 = 180 [supplementary angles]

= 7x -30 = 180

= 7x = 180 + 30

= x = 210/7

= x = 30

Answered by debasishbiswal790

1

Step-by-step explanation:

We know that sum of co interior angles is 180°

Now,

2x - 10 + 5x - 20 = 180°

=> 7x - 30 = 180

=> 7x = 210

=> x = 30

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