Question

if an arc AB form an angel 60 degree at the center of the circle then find the angle formed by this arc at any point on the circle
option's
a) 60 degree
b) 120 degree
C) 30 degree
d) 90 degree​

Answer 1

Answer:

Area of sector =231cm

2

Angle subtended =60

∘

A=πr

2

360

∘

θ

231=

7

22

×r

2

×

360

∘

60

∘

⇒r

2

=

22

7

×231×6=441

⇒r=

441

=21

Step-by-step explanation:

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