Classify the given angles as pairs of complementary, linear pair, vertically opposite and adjacent angles.

Two complementary angles are in the ratio 4:5. Find the angles.

Write of any five pair of events that are complementary.

If two lines intersect each other, then prove that the vertically opposite angles are equal.

List the adjacent angles in the given figure.

angleA and angleB are complementary angles. If angleA=angleB+20^(@) , find angleA and angleB

From the given information ,select appropriate pair .

Answer each question by selecting the proper alternative from those given below each question so as to make each statement true : The opposite angles of a parallelogram are ………….

The measure of an angle is four times the measure of its complementary angle. Then, the measure of that angle is ............

In a DeltaABC, the tangent of half the difference of two angle is one-third the tangent of half the sum of the angle. Determine the ratio of the sides opposite to the angles.

angleA and angleB are complementary angles. If angleA=x+20^(@) and angleB=x-10^(@) , find angleA and angleB .