O is centre of the circle . AB and PQare two chords of equal distance from the centre .AB=12,OC=8.what is the length of PQ?
Answers
Answered by
3
l(AB) =12 cm
l(AC)= 6cm
l(OC)=8cm
By pythagoras theorem,
(OA)² = (OC)² + (AC)²
(OA)² = 8² + 6²
= 64 + 36
(OA)² = 100
∴ OA = 10cm
∴ OP = 10cm --------- (radius of the same circle)
similarly, PQ = 12cm
Similar questions