With reference to fig 12.17:
(i) How many vertices does it have? Write all the vertices.
The given solid has 8 vertices.
A ,B,C,D,E,F,G and H
(i) How many faces does it have? Write the names of all the faces.
(i) Write the name of all the edges. How many edges are there in all?
With references to given figure,How many vertices does it have in all? Write their names.
With reference to fig. 12.18:
(i) Name all the vertices.
With reference to given figure. How many faces does it have? Write the names of all the faces.