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The correct answer is D
A right triangle ABC with sides 9 cm ,12cm and 15cm is revolved about the side 12 cm. What is the volume of the solid so obtained?
The sum of the perimeters of a square and a rectangle is 118 metres. If the sum of the length and breadth of the rectangle is 33 cm, then find the area ...
If two is added to the denominator of a rational number it becomes 1 and if 4 is added to the numerator it becomes ½. Then the sum of the numerat...
If the length of one side of a rhombus is 16cm then find its surface area. (use √ 3 = 1.732)
A rectangular piece of copper foil of length 21 cm and area 924 cm2 is folded along its width to form a cylinder such that there is only one ...
A giant circular wheel has a diameter of 49 metres. In how many revolutions will the wheel cover a total of 30.8 km?
The perimeters of two similar triangles, ∆ PQR and ∆ XYZ are 48 cm and 24 cm respectively. If XY = 12 cm. then PQ is:
A hollow cylinder has an internal radius of 7 cm and an external radius of 10 cm. If its height is 20 cm, find the total surface area of the cylinder.
If the volume of a cuboidal tank is 2430 m3 and the ratio of the length, width and height of tank is 6:5:3 respectively then find the height ...