In the triangle ABC,`angleC=65^o` and `AB=9cm`. AD is the diameter of the circle,
What is the measure of `angleADB`?
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In the figure angleB=90^o , angleC=44^o What is the measure of angleA ? .

In the figure, angleABC=90^o , angleC=angleD=45^o , AB=10 cm What is the radius of the circumcircle of triangle ABD? .

In the figure, angleABC=90^o , angleC=angleD=45^o , AB=10 cm .What is the radius of the circumcircle of triangle ABC? .

In the figure O is the centre of circle. squareAOC=80^o What is the measure of squareADC ? .

In the figure O is the centre of circle. squareAOC=80^o What is the measure of squareABC ? .

In the figure P is the centre of the circle A,B and D are points on the circle. angleP=90^o , AD=5 centimetres What is the measure of angleA ? .

In triangle ABC,angle B=90,AB=12 centimetres. BC=5 centimetres. What is the circum radius of triangle ABC.

In the figure, angleABC=90^o , angleC=angleD=45^o , AB=10 cm.What is the length of AC? .

In triangle 'ABC, angle B=90 degree . BD' is perpendicular to 'AC'. a) If 'angle A=x degree', find the measures of 'angle C' and 'angle ABD' b) Write the ratios of the sides opposite to the equal angles in triangle 'ABD' and triangle ABC. c) Prove that 'AB^2=AD x AC'.

In the figure, the line CE is parallel to BD. Area of triangle A B D is 30 sq.cm. and that of triangle BDC is 29 sq . cm. a) What is the area of quadrilateral ABCD? b) What is the area of triangle BED? c) What is the area of quadrilateral ABED?