Math
Geometry - Cone, Cylinder, Sphere. (edges, corners)
MCQ
How many edges are there in the figure below?
A
12
B
8
C
16
D
4
Explanation
Edges are lines connecting two vertices. 

This figure has 12 edges in total:

Top: AB, BC, CD, DA
Bottom: PQ, QR, RS, SP
Vertical edges: AP, BQ, CR, DS
Correct 0 Wrong 0