If sum of measures of two angles is 90°, then the angles are ______.
If sum of measures of two angles is 90°, then the angles are complementary.
If the sum of measures of two angles is 180°, then they are ______.
If the sum of measures of two angles is 180°, then they are supplementary.
A transversal intersects two or more than two lines at ______ points.
A transversal intersects two or more than two lines at distinct points.
Sum of interior angles on the same side of a transversal is ______.
Sum of interior angles on the same side of a transversal is 180°.
Alternate interior angles have one common ______.
Alternate interior angles have one common arm.
Corresponding angles are on the ______ side of the transversal.
Corresponding angles are on the same side of the transversal.
Alternate interior angles are on the ______ side of the transversal.
Alternate interior angles are on the opposite side of the transversal.
Two lines in a plane which do not meet at a point anywhere are called ______ lines.
Two lines in a plane which do not meet at a point anywhere are called parallel lines.
Two angles forming a ______ pair are supplementary.
Two angles forming a linear pair are supplementary.
The supplement of an acute is always ______ angle.
The supplement of an acute is always obtuse angle.
The supplement of a right angle is always ______ angle.
The supplement of a right angle is always right angle.
The supplement of an obtuse angle is always ______ angle.
The supplement of an obtuse angle is always acute angle.
In a pair of complementary angles, each angle cannot be more than ______.
In a pair of complementary angles, each angle cannot be more than 90°.
An angle is 45°. Its complementary angle will be ______.
An angle is 45°. Its complementary angle will be 45°.
An angle which is half of its supplement is of ______.
An angle which is half of its supplement is of 60°.