Q 1: If a semicircle subtends an angle of 180° at its centre, then it is called a sector. False True

Q 2: If two diameters of a circle are drawn perpendicular to each other, then the angles of the sectors formed are not equal. True False

Q 3: If a sector of angle 90° is separated from a circle then the remaining sector's angle is obtuse.
False True

Q 4: Area of a sector = pr+2r. True False

Q 5: Semicircle is also a sector. False True

Q 6: 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. True False

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