what is meaning of sector
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sector is a part from a circle which is cut at an angle of teta
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see this figure , here shaded region is known as sector of circle .
actually , sector is the part of circle which inclosed by two radii and subtend some angle at the centre .
area of sector = angle suntend by arc at the centre (in °)/360° ×πr²
here in figure
angle subtend by arc at the center = ∅
and radius = R
, area of sector = ∅/360° × πr²
actually , sector is the part of circle which inclosed by two radii and subtend some angle at the centre .
area of sector = angle suntend by arc at the centre (in °)/360° ×πr²
here in figure
angle subtend by arc at the center = ∅
and radius = R
, area of sector = ∅/360° × πr²
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