This MCQ is based on the Basic concepts of Circles.

This includes chord and its theorem, inscribed, diameter, radius, area, and the angle subtended by the diameter of the circle.

AB and CD are two equal chords of a circle with centre O such that ∠AOB = 80°, then ∠COD =

An equilateral triangle of side 9 cm is inscribed a circle. The radius of the circle is

The center of the circle lies in______ of the circle.

If chords AB and CD of congruent circles subtend equal angles at their centres, then:

The longest chord of the circle is:

The angle subtended by the diameter of a semi-circle is:

If a line intersects two concentric circles with centre O at A, B, C and D, then:

11.5 cm

12 cm

Sqrt(69) cm

23 cm

Segment of a circle is the region between an arc and ………..of the circle.

Perpendicular

Radius

Chord

Secant