Question

fig, if AB || CD, CD || EF and y: z=3:7 then value of xi​

Answer 1

Step-by-step explanation:

AB || CD, CD || EF

Therefore, AB||EF

Hence, x=z ( Alternate interior angles )

Now, CD || EF

Therefore, 180-y = z

y:z = 3:7

So, y=3a and z=7a

Consider, 180-y = z

=>180-3a=7a

=>a=18

x=z

x= 7a

x= 126°

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Answer 2

Answer:

Here is ur answer

Step-by-step explanation:

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