NCERT Class 9 Solutions: Line and Angles (Chapter 6) Exercise 6.2 – Part 1

Download PDF of This Page (Size: 204K)

Interior, Alternate, Vertically Opposite, Corresponding Angles

Interior, Alternate, Vertically Opposite, Corresponding Angles

Interior, Alternate, Vertically Opposite, Corresponding Angles

Q-1 In the figure, find the value of and and then show that

Lines AB and CD is Parallel

Line AB and CD parallel to each other. Also given are angles x and y

Solution,

Give line of AB and CD and it is parallel to each other. Also give angle x and y

(Linear pair)

Also,

(Vertically opposite)

Now,

(Alternate interior angles)

Alternate interior angles are equal. Therefore

Q-2 In the figure, if and find x.

Line AB, CD, EF is Parallel

Line AB, CD, EF parallel to each other and also given y: z = 3: 7

Solution:

Given,> and

Now,

(Angles on the same side of transversal)

Also,

(Corresponding angles) and,

(Linear pair)

Equation,

and

°>

and

Now,