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Central Angle

Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsTwo concentric circles have radii 5 cm and 13 cm. For the same central angle, their arc lengths differ by 6π cm. What is the central angle?Class 12Trigonometric FunctionsAnglesLevel 68MediumMathematicsIn a circle of radius (r) the central angle is (150^\circ). What is the ratio of arc length to radius?Class 12Trigonometric FunctionsAnglesLevel 68ExpertMathematicsThe area of a sector is (\frac{3}{4}) of the area of the whole circle. What is the central angle in radians?Class 12Trigonometric FunctionsAnglesLevel 68ExpertMathematicsA sector perimeter is (3) times its arc length and the radius is (8) cm. What is the central angle?Class 12Trigonometric FunctionsAnglesLevel 68ExpertMathematicsOn a circular track of radius (63) m what is the distance covered for a central angle of (40^\circ)?Class 12Trigonometric FunctionsAnglesLevel 69HardMathematicsWhat is the central angle of a sector with radius (9) cm and area (45\pi) sq cm?Class 12Trigonometric FunctionsAnglesLevel 69HardMathematicsIf the arc length is 8π cm and the radius is 16 cm, what is the central angle?Class 12Trigonometric FunctionsAnglesLevel 69EasyMathematicsIf the arc length is equal to the diameter of the circle then what is the central angle in radians?Class 12Trigonometric FunctionsAnglesLevel 69HardMathematicsWhat is the area of a sector with radius 6 cm and central angle 5π/9?Class 12Trigonometric FunctionsAnglesLevel 69MediumMathematicsIf the arc length is (22) cm and the radius is (7) cm then what is the central angle in radians?Class 12Trigonometric FunctionsAnglesLevel 69HardMathematicsIn a circle of radius (14) cm the central angle is \(\frac{3\pi}{7}\). What is the arc length?Class 12Trigonometric FunctionsAnglesLevel 69HardMathematicsIn a circle the arc length is equal to the radius. What will be the angle at the centre?Class 12Trigonometric FunctionsAnglesLevel 67Medium