Question

in the fig, if AB parallel to CD,CD parallel to EF find y :z =3:7find x ​

Answer 1

Step-by-step explanation:

Given,

y : z = 3 : 7.

Let,

y = 3k and z = 7k.

Now,

∠x and ∠z are alternate interior angles of parallel lines so that,

∠x = ∠z ---- (*)

Sum of interior angle on the same side of the transversal is always 180°.

x + y = 180° ---- (1)

Place the value of x from equation (1),

z + y = 180°

Place the value of z and y we get,

7k + 3k = 180°

10k = 180°

k = 18

Then,

y = 3k = 54°

z = 7k = 126°

x = z = 126°(From (*))

Therefore,

x = 126°

Hope it helps!

Answer 2

Answer:

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