NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles

True or False Questions

Two right angles are complementary to each other.

One obtuse angle and one acute angle can make a pair of complementary angles.

Two supplementary angles are always obtuse angles.

Two right angles are always supplementary to each other.

One obtuse angle and one acute angle can make a pair of supplementary angles.

Both angles of a pair of supplementary angles can never be acute angles.

Two supplementary angles always form a linear pair.

Two angles making a linear pair are always supplementary.

Two angles making a linear pair are always adjacent angles.

Vertically opposite angles form a linear pair.

Interior angles on the same side of a transversal with two distinct parallel lines are complementary angles.

Vertically opposite angles are either both acute angles or both obtuse angles.

A linear pair may have two acute angles.

An angle is more than 45°. Its complementary angle must be less than 45°.

Two adjacent angles always form a linear pair.