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Volume of sphere = (4/3) x π X r3 {Where 'r' is the radius} 2304π = (4/3) x π x r3 Or, r3 = 1728 = 123 So, r = 12 cm Surface area of sphere = 4 x π x r2 = 4 x π x 122 = 576π cm2
Perimeter of a square field is 160 meters and the area of a rectangular field is 40% more than that of the square field. Find the area (in m2...
If two complementary angles are in the ratio of 3:2, find the greater angle.
A cylindrical tank has an internal radius of 14 meters and a height of 10 meters. The tank is filled with water to 75% of its capacity. Water is then tr...
Point (4, 5) is the centre of a circle. A point (9, 11) is lying on a circle. Find the area of the circle.
If ratio of interior exterior angle of a regular polygon is 2:3, then number of sides of the polygon is
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 270 cm. If each side of a square is 25% more than the brea...
Four circles of equal radii are described about the four corners of a square so that each touches two of the other circles. If each side of the square i...
The ratio of length and breadth of a rectangular field is 5:9. If the total cost of surrounding it at the rate of Rs 7.50 per meter is Rs 4200, then fin...
