
If a pair of opposite angles of a quadrilateral is complementary, then the quadrilateral is cyclic quadrilateral

Important Questions on Circle
In the figure, points and lie on a circle. Then the values of and are respectively




In figure , is a chord of a circle with centre and is its tangent at . if , then is

The sum of pairs of opposite angles of a cyclic quadrilateral is



In the figure is cyclic side side find

In the figure is cyclic. Side Side find

In the given figure, sides and of cyclic quadrilateral are produced to and respectively.
If find the value of



In the given figure, is a diameter of a circle with center and . If calculate
Also, show that is an equilateral triangle.
In a cyclic quadrilateral , if , show that the smaller of the two is .

In the given figure, is an isosceles triangle in which and a circle passing through and intersects and at and respectively.
Prove that .

and are chords of a circle which bisect each other. Prove that is a rectangle.




Is the picture given a tessellation?

