0 is the centre of the circle AB and CD are two Parallel Chords of AB = 8 cm and CD= 4 cm Pq= 2 cm a if op=X and CD= 4 Cm Pq= 2 Cm b find the rade us of the Circle
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Answer:
Given OP⊥AB and OQ⊥CD
CQ = QD = 3 cm
AP = BP = 4cm
In △OPA
OP
2
=OA
2
–AP
2
=r
2
–4
2
=25–16=9
⟹OP=3
In △OCQ
OQ
2
=
r
2
–3
2
=4
PQ=OP+OQ=4+3=7cm
Step-by-step explanation:
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