Question
A polygon has 170 diagonals, the number of sides of the
polygon is?ÂSolution
The number of diagonal of N sided polygon = N(N-3)/2 = 170 or N(N - 3) = 340 So by options , N = 20
More Mensuration Questions
35% of 840 + 162 = ? – 25% × 300
31% of 1900 - ? = 73
(2500 ÷ √625) × √(42.25) = ? ÷ 4
62 of 8 - 320 ÷ 4 = ?3 + 200
2*1/3 + 22*1/3 + 222*1/3 + 2222*1/2 + 22222*1/2 = ?
What will come in place of (?) in the given expression.
(3/4 of 64) + (1/2 of 48) = ?5.5 × 3.2 × 2.3 = ?
What value should come in the place of (?) in the following questions?
30% of 160 – 25% of 240 + 43 = ?
(72 × 52 + 1555 )/(79+60) = 2000 ÷ ?
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