Q. 14. In a circle with centre and radius 5 cm, AB is a chord of length 53 cm. Find them
5 cm
5 cm
010
IL
5/3 cm
A А
B
Answers
Answered by
0
Answer:
Correct option is
D
⇒θ=60
o
⇒∠AOB=120
o
⇒ Area of sector AOB
=
360
120
×π×5
2
cm
2
=
3
25π
cm
2
.
Step-by-step explanation:
None of these
We have, AB=5
3
⇒ AL=BL=
2
5
3
Let ∠AOB=20. Then, ∠AOL=∠BOL=θ.
In ΔOLA, we have
sinθ=
OA
AL
=
5
2
5
3
=
2
3
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