Question

in the adjoining figure, l || n || m. Find the values of angle ABC and angle ABD​

Answer 1

Answer:

130+50=180

As l || m

As m || n,

180-45=135

Step-by-step explanation:

Answer 2

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$\underline{\red{\sf Points\:to\: remember :-}}$

• Value of a straight line is 180°.

• Alternate exterior angles are equal.

• Alternate interior angles are equal .

• Corresponding angles are equal .

• Sum of co interior angles is 180° .