Question

If a triangle was rotated about the y-axis, as seen in the picture below, what 3-d shape would be created

Answer 1

Cone will be created by rotating the triangle about the y-axis.

Explanation:

If the given triangle is rotated about the y-axis, 3-D image formed will be a cone,

Radius of the circular base of the cone = 3 units

Height of the cone = 4 units