Q78 of 78 Page 23

Draw all the diagonals of a pentagon ABCDE and name them.


So, Diagonals of the pentagon ABCDE are: AC, AD, BD, BE, CE (Shown by black line segments)


More from this chapter

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74

Can we have two acute angles whose sum is

(a) an acute angle? Why or why not?


(b) a right angle? Why or why not?


(c) an obtuse angle? Why or why not?


(d) a straight angle? Why or why not?


(e) a reflex angle? Why or why not?

 75

Can we have two obtuse angles whose sum is

(a) a reflex angle? Why or why not?


(b) a complete angle? Why or why not?

 76

Write the name of

(a) vertices


(b) edges, and


(c) faces of the prism shown in Fig. 2.48.


 77

How many edges, faces and vertices are there in a sphere?