Question

Which of the following cannot be number of
diagonals of a polygon?
(a) 14
(b) 20
(C) 28
(d) 35​

Answer 1

Answer:

(C) 28 cannot be number of diagonals of a polygon. ✓✓✓✓✓✓✓✓✓✓✓✓✓

explanation:

• 14 -:

You can draw 14*11 = 154 diagonals, but you will have drawn each one twice.

• 20 -:

In a 20-sided polygon, the total diagonals are = 20(20-3)/2 = 170.

• 35-:

the number of sides of a polygon having 35 diagonals is 10.

Step-by-step explanation:

(a) 14

(b) 20

(d) 35

in three numbers are always number of diagonals of a polygon.

your answer

(C) 28 cannot be number of diagonals of a polygon. ✓✓✓✓✓✓✓✓✓✓✓✓

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