if radius of circle is 28 cm and angle between any two radii is 60 degree then find the area of sector formed by two radii of a circle.
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if radius of circle is 28 cm and angle between any two radii is 60 degree then find the area of sector formed by two radii of a circle.
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Answer:
Sector (OAPBO) of a circle is given whose
radius(r)=28cm
and central angle (θ)=45
∘
∴ Area of sector (A)=
360
∘
πr
2
θ
=
7
22
×
360
∘
28×28×45
∘
⇒ Area of sector =308cm
2
is the required area.