MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 30>Q 7

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The pair of complementary angles is

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Important Questions on Pairs of Angles and Parallel Lines

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 30>Q 8

The pair of supplementary angles is

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 31>Q 1

Ratio of two angles of a linear pair is

7 : 5

. Find the angles.

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 31>Q 2

In the figure $A B$ is a line, find the value of $x$

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 31>Q 3

In the figure, $l ∥ m$ . Find the values of $x, y, z, w$

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 31>Q 4

In the figure, $A B ∥ C D$ . Find the values of $x, y, z$ .

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 31>Q 5

In the figure $O A ∥ D E, O B ∥ D C$ and $∠ A O B = 50^{o}$ . Find the measure of $∠ C D E$ .

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MENTAL MATH>Chapter 6 - Pairs of Angles and Parallel Lines>Worksheet - 31>Q 6

If a traversal intersects two parallel lines, then each pair of alternate interior angles will be