Q 1: The radius of a circle is 14 cm. An arc AB subtends an angle of 72 ° at the center O. Find the area of the sector OAB. 136.8 sq cm 12.36 sq cm 135.5 sq cm 123.2 sq cm

Q 2: The radius of a circle is 8.4 cm. An arc AB subtends an angle of 135 ° at the center O. Find the area of the sector OAB. 84.69 sq cm 86.36 sq cm 83.16 sq cm 83.00 sq cm

Q 3: An arc AB subtends an angle of 240 ° at the center O of a circle. Find the radius of the circle if the area of the sector OAB is given by 102.67 sq cm. 9 cm 6 cm 7 cm 8 cm

Q 4: An arc AB subtends an angle of 60 °at the center O of a circle. Find the radius of the circle if the area of the sector OAB is given by 147.84 sq cm. 14.6 cm 12.2 cm 15.2 cm 16.8 cm

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