# Parallel and Intersecting Lines Important Questions and Practice Set with Answers | NCERT Class 7 Mathematics | SwaVid

This chapter, 'Parallel and Intersecting Lines', introduces fundamental geometric concepts related to lines and angles. It begins by revisiting various...

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# Parallel and Intersecting Lines

## What is the measure of the angle that is complementary to an angle of 35 degrees?

## Find the gaps before this chapter finds them for you.

## Related chapters

Chapter 5 · Class 7 Mathematics

This chapter, 'Parallel and Intersecting Lines', introduces fundamental geometric concepts related to lines and angles. It begins by revisiting various pairs of angles such as complementary, supplementary, adjacent, linear pair, and vertically opposite angles, along with their properties. The chapter then delves into the formation of angles when a transversal intersects two lines, defining corresponding angles, alternate interior angles, alternate exterior angles, and interior angles on the same side of the transversal. A significant focus is placed on the special properties that arise when a transversal intersects parallel lines, establishing conditions for lines to be parallel and using these properties to solve problems involving unknown angles.

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- NCERT Class 7 Mathematics textbook: Ganita Prakash : Chapter 5: Parallel and Intersecting Lines

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