The sum of the interior angles of a polygon is 1440 how many sides does it have
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(n-2)*180=1440
hence n=10
hence n=10
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s = (n-2) X 180°
Since we know that this sum is 1440°, we can substitute this into the formula and solve for n, the number of sides.
1440° = (n-2) X 180° 8 = n-2
n = 10
The regular polygon has 10 sides. This is known as a decagon.
Since we know that this sum is 1440°, we can substitute this into the formula and solve for n, the number of sides.
1440° = (n-2) X 180° 8 = n-2
n = 10
The regular polygon has 10 sides. This is known as a decagon.
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