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Solution:
Octagon is a polygon with 8 sides and 8 angles.
For an n-sided polygon, the formula to calculate the sum of interior angles of a polygon is given by (n - 2)× 180°.
Octagon is a polygon with 8 sides. For an n-sided polygon, the formula to calculate the sum of interior angles is given by (n - 2)× 180°. So, since the octagon has 8 sides, the sum of the interior angles will be(8- 2)× 180° = 1080°.
Therefore, the sum of the angles of an octagon is1080°.
Summary:
The sum of the angles of an octagon is1080°.
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