Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In a circle with centre O, chords AB and CD subtend angles
∠
A
O
B
=
60
∘
\angle AOB = 60^{\circ}
∠
A
O
B
=
6
0
∘
and
∠
C
O
D
=
60
∘
\angle COD = 60^{\circ}
∠
C
O
D
=
6
0
∘
respectively. Which one of the following is true? a)
A
B
>
C
D
AB > CD
A
B
>
C
D
b)
A
B
=
C
D
cos
60
∘
AB = CD \cos 60^{\circ}
A
B
=
C
D
cos
6
0
∘
c)
A
B
=
C
D
AB = CD
A
B
=
C
D
d) No definite relation between
A
B
AB
A
B
and
C
D
CD
C
D
can be stated
Browse the problem library