RD Sharma Class 7 Solutions Chapter 14 Lines and Angles

# RD Sharma Class 7 Solutions Chapter 14 Lines and Angles

## RD Sharma Class 7 Solutions Chapter 14 Lines and Angles

A Line that intersects two or more given lines at distinct points is called a transversal to the given lines.

Lines in a plane are parallel if they do not intersect when produced indefinitely in either direction.

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The distance between two parallel lines is the same everywhere and is equal to the perpendicular distance between them.

If two parallel lines are intersected by a transversal then

• Pairs of alternate (interior and exterior) angles are equal
• Pairs of corresponding angles are equal
• Interior angels on the same side of the transversal are supplementary

If two lines are intersected by a transversal, then they are parallel if any one of the following is true:

• The angles of a pair of corresponding angles are equal.
• The angles of a pair of alternate interior angles are equal.
• The angles of a pair of interior angles on the same side of the transversal are supplementary

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