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Grade 8 - Mathematics
3.52 Arcs and Sectors
Check the given statements are true or false.
: The angle of a sector is a semicircle is 180
: If a semicircle subtends an angle of 180
at its centre, then it is called a sector.
: The region bounded by an arc of the circle and two radii joining centre to end points of arc is called sector of the circle.
: Area of a sector =
: If a sector of angle 90
is separated from a circle then the remaining sector's angle is obtuse.
: The length of the arc of a sector = (x
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