Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
In a circle with centre
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
In a circle with centre
O
O
O
, chord
A
B
AB
A
B
subtends an angle of
40
∘
40^{\circ}
4
0
∘
at the centre, while chord
C
D
CD
C
D
subtends an angle of
70
∘
70^{\circ}
7
0
∘
at the centre. Which chord is longer? (a)
A
B
AB
A
B
and
C
D
CD
C
D
\text{ are equal} (b)
C
D
CD
C
D
(c) \text{The relation cannot be determined} (d)
A
B
AB
A
B
Related theory
Chord Properties
Circles
Equal chords and their distances
Browse the problem library