How many edges does each

Question:

How many edges does each of following solids have?

(a) Cone    

(b)Cylinder

(c) Sphere

(d)Octagonal Pyramid

(e) Hexagonal Prism

(f)Kaleidoscope

Solution:

(a) Cone has one edge.

(b) Cylinder has two edges.

(c) Sphere has no edge.

(d) Octagonal pyramid has 16 edges.

(e) Hexagonal prism has 18 edges.

(f) Kaleidoscope has 9 edges.

Note See edges in previous question’s solution figures.

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