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A circle has radius
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
A circle has radius
15
cm
15\,\text{cm}
15
cm
. The perpendicular distance from its centre to chord
P
Q
PQ
P
Q
is
9
cm
9\,\text{cm}
9
cm
. What is the length of chord
P
Q
PQ
P
Q
? (a)
22
cm
22\,\text{cm}
22
cm
(b)
24
cm
24\,\text{cm}
24
cm
(c)
26
cm
26\,\text{cm}
26
cm
(d)
18
cm
18\,\text{cm}
18
cm
Related theory
Pythagoras' Theorem
Triangle Properties
Chord Properties
Circles
Perpendicular from centre to a chord
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