NCERT Class 9 Solutions: Line and Angles (Chapter 6) Exercise 6.1 – Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Line and Angle Relationships Are Given

Q-1 In the figure line interacts at O. If and find and reflex

Give Point of a, B, C, D, E, O on Plane

Solution:

Given, in fig. point of A, B, C, D, E, O on the plane AB and CD interact with O.

Equation, (Forms a straight line) also, (Forms a straight line)

Q-2 In figure, lines XY and MN intersect at O. If , find c

Give Point X, Y, M, N, P on Angle of a, B, C, O

Given, in figure X, Y, M, N, P at angle of a, b, c, o

and

equation,

Let a then will b

and

Also, (Linear Pair)

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