State the theorem about equal chords and their distances from the centre, and its converse.
Circle
Original Khojo Papers practice question — not from a past board paper.
6 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The perpendicular from the centre bisects the chord, so the distance is √(102 − 82) = √36 = 6 cm.
From the same topic and chapter, at a similar level.
State the theorem about equal chords and their distances from the centre, and its converse.
Circle
State two theorems about equal chords of a circle.
Circle
Two chords of a circle of radius 13 cm are 24 cm and 10 cm long. Find the distance of each from the centre.
Circle
The perpendicular from the centre of a circle to a chord:
Circle
State the theorem about the perpendicular from the centre of a circle to a chord.
Circle
Factorise x4 − 81.
Factorisation