Observe Fig. 6.30 and then find `angle P`.

ABCD is a cyclic quadrilateral (see Fig.). Find the angles of the cyclic quadrilateral.

Two angles of a triangle are 30^@ and 80^@ . Find the third angle.

The angle of elevation from a point on the bank of a river of the top of a temple on the other bank is 45^@ . Retreating 50 m, the observer finds the new angle of elevation as 30^@ . What is the width of the river ?

The mean of 5 observation is 4.4 and their variance is 8.24 . If three of the observations are 1,2 and 6, find the other two observations

The angles of a triangle are in A.P. and the greatest angle of the triangle is double the least angle, find the greatest angle in radians.

Find angle x in Fig.

Observe the and complete the statement angle P OR is .......... of angle ROT

Observe the and complete the statement angle P OR and angle ROS are a pair of .......

In the fig. l||m, angle1 and angle2 are in the ratio 5:4. find angle3 and angle4