In a circle with centre O, the angle AOB at the centre is 100°. Find the angle ACB at a point C on the major arc.
Circles
Original Khojo Papers practice question — not from a past board paper.
supplementary
No citable source has been recorded for this record. Treat it as practice material, not as fact.
In any cyclic quadrilateral each pair of opposite angles adds up to 180°, that is they are supplementary.
From the same topic and chapter, at a similar level.
In a circle with centre O, the angle AOB at the centre is 100°. Find the angle ACB at a point C on the major arc.
Circles
In a cyclic quadrilateral ABCD, angle A = 70°. Find angle C.
Circles
The angle subtended by a diameter at any point on the circle is:
Circles
State the angle in a semicircle theorem.
Circles
In a circle with centre O, an arc subtends an angle of 110° at the centre. Find the angle subtended by the same arc at a point on the remaining part of the circle.
Circles
From an external point P two tangents PA and PB are drawn to a circle with centre O. If angle APB = 60°, find angle AOB.
Circles