AB and PQ are two chords at equal distance from the centre O of a circle AB=12cm and OC is the perpendicular drawn from the centre to the chord AB OC=8cm
a) what is the length of PQ
b) calculate the radius of the circle
Answers
Answered by
4
Answer:
Step-by-step explanation:
Given length of chord AB = 12 cm.
Distance of chord from center = 8 cm.
OC=8 cm .AC=
2
12
=6 cm
In △OAC
OA
2
=AC
2
+OC
2
OA
2
=(6)
2
+(8)
2
=36+64
[ OA=10 cm].
∴ Diameter of circle is 2(OA) = 20 cm.
Answered by
1
Answer:
Step-by-step explanation:
8
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