Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let ABC be a triangle. Consider four points
,
on the side AB , five points
on the side BC and four points
on the side AC . None of these points is a vertex of the triangle ABC . Then the total number of pentagons, that can be formed by taking all the vertices from the points
, is
.
Text Solution
Verified by ExpertsThe correct answer is:
660
(660) Case 1 :
2 from
from
from AC

Case 2 :
2 from
from
from AC

Case 3 :
1 from
from
from AC

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