Question

Which of the following solid have 8 vertices?

a) Trangular pyramid (b) Trangular prism

c) Rectrangular prism (d) Cone

Answer 1

Just think of the shapes. Or google them for pictures and other information.

Triangles have 3 vertices, right?
Rectangles have 4.
Prisms have two bases
Cones and pyramids have one base and a vertex
(a) 3+1
(b) 3+3
(c) 4+4
(d) 0+1