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In a circle of radius
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
In a circle of radius
13
cm
13\text{ cm}
13
cm
, the perpendicular from the centre to chord
A
B
AB
A
B
is
5
cm
5\text{ cm}
5
cm
. If another chord
C
D
CD
C
D
is equal in length to
A
B
AB
A
B
, find the length of
C
D
CD
C
D
. (a)
16
cm
16\text{ cm}
16
cm
(b)
24
cm
24\text{ cm}
24
cm
(c)
12
cm
12\text{ cm}
12
cm
(d)
20
cm
20\text{ cm}
20
cm
Related theory
Pythagoras' Theorem
Triangle Properties
Chord Properties
Circles
Perpendicular from centre to a chord
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