Question

Ncert solution for class 9 maths. ch-6 exercise 6.2 questions no.2
in fig 6.29,if AB||CD,CD||EF and y:z=3:7,find x​

Answer 1

Answer:

hey there...

your answer is in the attachment above..

Answer 2

Answer:

y=3a

z=7a

x=z(alternate interrior amgle)

x+y=180dig

3a+7a=180di

10a=180dig

a=180°/10

a=18°

y=3a=3*18=54°

z=7a=7*18=126°

x+y=180°

x=180/54

x=126°