3)
in a circle with centre P. chord AB is drawn of length 13 cm seg PQ- chord AB, then find QB)
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Answer:
given that
L (AB) = 13 cm.
PQ is perpendicular to AB
: perpendicular drawn from Centre of cicle to chord bisect the chord
AQ = QB
= AQ =QB = 1/2 = × AB
13/2 = 6.5
QB = 6.5 cm
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