Question

what is the streamlined shape

Answer 1

The shape in which the object is broad from start and becomes narrow in the end. This shape is provided in aeroplanes to reduce fluid Friction acting on the aeroplane. Birds also have this shape. You may see the shape in the image attached.

Answer 2

streamline shape is term basically used for your curves for less resistant during your swimmer it's basically pointed anteriorly so that less repulsive force of water is fall on it eg boat shape