Which of the following shapes will be formed if a semi-circle makes a full turn along its diameter?
A sphere is formed when a semi-circle makes a full turn along its diameter.
Which of the following shapes will be formed if a circle makes half a complete rotation along it’s diameter?
As part of a school activity, Sushil made some geometrical shapes using clay. He makes a cone of height 42 cm and base radius 10 cm and then reshapes it into a sphere. Find the radius of the sphere thus formed.