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Question

Column A Column B
(a) Number of edges of a pyramid (p) 12
whose base is a pentagon
(b) Number of vertices of a pyramid (q) 10
whose base is hexagon
(c) Volume of a cone whose base (r) 3
radius is 3 units and height is
722 units (in cubic units)
(d) Total length of the edges of (s) 7
a pyramid whose base and lateral
faces are equilaternal triangles of
side 2 units (in units)
  1. qspr
  2. qsrp
  3. qpsr
  4. rpsq

A
qpsr
B
rpsq
C
qspr
D
qsrp
Solution
Verified by Toppr


For (a):
Fig (i) shows pyramid whose base is pentagon.
AB,AC,AD,AE,AF,BC,CD,DE,BF and EF are sides of edges of pyramid.
Number of edges of a pyramid whose base is a pentagon =10

For (b):
Fig (ii) shows pyramid whose base is hexagon
P,Q,R,S,T,U and V are vertices of hexagonal pyramid.
Number of vertices of a pyramid whose base is hexagon =7.

For (c):
Radius of a cone (r)=3 units.

Height of a cone (h)=722 units.

Volume of a cone =πr2h3

=227×(3)2×722×3

=3 cu units.
For (d):
Number of edges of pyramid whose base and lateral faces are equilateral triangle =6
Total length of pyramid whose side is 2 units =6×2units=12units
So we get,
(a)q
(b)s
(c)r
(d)p

1366376_395131_ans_0f6ec1f3eca24365a8d81fd379e382fd.png

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