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The 8 interior angles add up to 1080 degrees

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What are facts about octagons?

Octagons are eight-sidedThey can have a maximum of 4 pairs of parallel linesEach interior angle is 135 degrees.The sum of its interior angles are 1080 degrees


How many degrees are in the sum of an angle and an exterior angle of a regular polygon?

360 ________________________________________________ Sum of Interior Angles of a Polygon = 180 (n-2) Sum of Exterior Angles of a Polygon = 360 The sum of an angle and an exterior angle of a regular polygon is 360


What is the measure of an angle of a regular dodecagon?

Interior Angle: 150 degrees (Interior Angle Sum: 1800) Exterior Angle: 30 degrees (Exterior Angle Sum: 360)


What is the SUM of angle measures of a regular pentagon?

The sum of the five interior angles of ANY pentagon is 540 degrees.If the pentagon is regular, then each angle is 108 degrees.


What is the sum of the interior angles of a regular polygon if each angle measures 20 degrees?

There is no regular polygon with an interior angle of 20o. If the interior angle is 120o then there are six sides and the sum of the angles is 720o.


What is the exterior angle sum of regular heptagon?

The exterior angle sum is 360 degrees. It doesn't matter whether the polygon is regular or not, and it doesn't even matter how many sides it has.


How many degrees are in the sum of an interior angle and an exterior angle of a regular hexagon?

180


How many degrees are in the sum of an interior angle and an exterior angle of a regular polygon?

180


How many degrees are in the sum of an interior angle and exterior angle of a regular polygon?

180


How many degrees are in a sum of an interior angle and an exterior angle of a regular polygon?

180


What is the sum of a regular interior angle?

(#sides-2)*180


What is the sum of the interior angle measures for a regular pentagon?

For a regular polygon with sides n, the sum of the interior angles = (n-2)180Therefore, a regular polygon has interior angle sum equal to 540o.(5-2)180=(3)180=540