nitin bhutada
from
bhavans b p vidya mandir trimurti nagar nagpur, Nagpur
Subject :IMO Class : Class 7
Find the sum of the number of diagonals drawn from one vertex of a polygon of 13 sides and the number of diagonals drawn from the adjacent vertex of that vertex of the same polygon.
A11
B26
C22
D19
the answer should be 20 as from each vertex there should be n-3 or 10 diagonals so from 2 vertices there should be 20 diagonals
Ans 1:
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Ramya
from
brindavan vidyalaya, Trichy
Class : Class 9
ANSWER MUST BE 20 SINCE FORMULA IS N-3 SO FOR ONE VERTICE IT IS 10 SO TWO WILL BE 20
Ans 3:
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Abhjith S Kumar
from
Airport Senior Secondary school Karipur, Kozhikode Intl. Airport, Kozhikode Airport
Class : Class 9
THE ANSWER SHOULD BE 20.
Ans 5:
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Hardik Khilnani
from
DPS Bangalore North, Bangalore
Class : Class 7
Number of diagonals drawn from polygon of n sides is n-3Thus, answer should be 2(13-3) = 2*10 = 20
Ans 6:
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Ans 11:
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Ans 12:
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Aniket Patankar
from
Symbiosis International School, Pune
Class : Class 8
it should be 20 because the formula for number of diagonals from a vertices is n-3, so for one vertice is 10 diagonals so two is gonna be 20
Ans 13:
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SATYAPRAKASH KAR
from
LUMBINI PUBLIC SCHOOL , BHUBANESWAR
Class : Class 7
If the answer is 22 then the polygon should be 14 sided.