With reference to fig 12.17:
(i) Name the equal edges.
Edges AB,EF,HG,DC are equal.
Edges BC,AD,EH,FG are equal.
Edges BF,GC,EA,HD are equal.
Name the pairs of all possible paralles edges of the pencil box whose figure is shown in Fig
(i) Write the name of all the edges. How many edges are there in all?
(i) Name the given solid.
With reference to fig. 12.18:
(i) Name all its edges.