How many orthographic views are required for a sphere two fo

How many orthographic views are required for a sphere? two four three one What view should be placed directly BELOW a top view right view isometric view front view bottom view

Solution

1. The Sphere needs only one parameter that is the diameter. The projections of sphere are all circle with the diameter equal to that of the sphere. Therefore sphere only needs one orthographic projeciton.

2. Front view is placed below a top view.