Q 1: The radius of a circle is 28 cm, an arc AB subtends an angle at the centre O. Find the angle if the length of the arc AB is given by 70.4 cm. 123° 75° 144° 60°

Q 2: The radius of a circle is 'x' cm, an arc AB subtends an angle of 240° at the centre O. Find 'x' if the length AB is given by 29.32 cm . 2 cm 7 cm 8 cm 6 cm

Q 3: The radius of a circle is 21cm, an arc AB subtends an angle at the centre O. Find the angle if length of the arc AB is given by 27.5 cm. 65° 75° 55° 70°

Q 4: The radius of a circle is 8.4 cm, an arc AB subtends an angle of 135° at the centre O. Find the length of the arc AB. 19.8 cm 29.8 cm 18.8 cm 12.8 cm

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