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VKV, Chimpu, , Class Test -1, , Maths, , Date: 23/01/2022, , 1. The total surface area of a right circular cylinder is 6512 cm 2, and the circumference, of its base is 88cm, find the volume of the cylinder., 2. In the given figure, O is the centre of circle,, ACO = 35 and, ABO = 45 , find, BOC., , 3. In a quadrilateral three angles are in the ratio 3 : 2 : 1 and one of the angles is 60 ,, find the other angles.