Question

. If Faces are 10 and vertices are 16 then find edges of polygon by EULER formula. 1. Find AMOUNT if principal is 400 rupees at the rate of 5% compounded annually for 2 years.
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Answer 1

Answer:

Ans8: Possibility of this bring a polyhedron can be proved by Euler's formula, i.e

F + VE = 2

F = 10 V = 15 E = 20

=10+15-20

=25-20

=5\ne25

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=2

Euler;s formula can't be proved.

Hence,a polyhedron can not have 10 faces,20 edges and 15 vertices.