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. 144° 75° 123° 60°

Q 2: 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. 18.8 cm 29.8 cm 19.8 cm 12.8 cm

Q 3: The radius of a circle is 14 cm, an arc AB subtends an angle of 72° at the centre O. Find the length of the arc AB. 16.2 cm 17.6 cm 16.6 cm 18.6 cm

Q 4: 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. 75° 55° 70° 65°

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