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Earn +20 ptsQ: How many diagonal lines does a 13-sided polygon have?
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How many diagonal lines does a 36 sided polygon have?
1/2*(362-3*36) = 594 diagonals
How many diagonal lines do hexagon have?
4 diagonal 2 straight 6 alltogether * * * * * Unfortunately, not true. A hexagon has 9 diagonals. A polygon with n vertices has 1/2*n*(n - 3) diagonals.
How many diagonal lines does a decagon have?
A diagonal line of a polygon is a line that joins any two vertices not already joined by a side. A polygon with n sides has n(n-3)/2 diagonals → a decagon has 10(10-3)/2 = 10 × 7 ÷ 2 = 35 diagonals
How many diagonal lines are in a hexagon?
9 diagonals
How many diagonal lines are in a rightangle triangle?
None
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