Test: Cyclic Quadrilaterals

In the figure, triangle ABC is an isosceles triangle with AB = AC and measure of angle ABC = 50°. Then the measure of angle BDC and angle BEC will be

In the figure, quadrilateral PQRS is cyclic. If ∠P = 80°, then ∠R =

If AB = 12 cm, BC = 16 cm and AB ⊥ BC, then radius of the circle passing through A,B and C is

In the figure, ABC is an equilateral triangle. Measure of angle BEC is

In the figure, ∠M = 82°, then O = ?

In the figure, ABCD is a cyclic quadrilateral. AF is drawn parallel to CB and DA is produced to point E. If angle ADC = 92°, angle FAE = 20°; then angle BCD will be

If ∠C = ∠D = 50° then four points A, B, C, D:

In the figure, angle BAD = 75°, angle DCF = x and angle DEF = y.The values of x and y are

If the sum of a pair of opposite angles of a quadrilateral is 180^o, the quadrilateral is:

In the figure, O is the centre of the circle. The measure of angle CBD is

ABCD is a cyclic quadrilateral in a circle with centre O. If angle ADC = 130°; then angle BAC is

ABC is an isosceles triangle in which AB = AC. If D and E are the mid points of AB and AC respectively, then the points D, B, C and E are