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Making the calf independent of its mother is known as weaning. Under early weaning system, the cow is not allowed to suckle its calf.
A frustum of a cone has a lower base radius of 12 cm, an upper base radius of 8 cm, and a height of 15 cm. Find the total surface area of the frustum.
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 16.5 km?
If the diameter of the cylinder is 14 cm and height of the cylinder is 2cm. Find the sum of the curved surface are and total surface area?
The distance between the centers of two circles of radius 2 cm and 8cm is 10 cm. Find the length of the direct common tangent.
If the lateral surface area of a regular tetrahedron is 243√3 cm², find its volume.