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1440 degrees. The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees.

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Q: What is the sum of the interior angles of a regular decagon?
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What is the difference in the sum of the interior angles of a decagon compared to a triangle?

The sum of the interior angles of a decagon is 1440 degrees The sum of the interior angles of a triangle is 180 degreesThe difference in the sum of the interior angles of a decagon compared to a triangle = 1440 degrees minus 180 degrees = 1260 degrees


What is the sum of each interior angle of a regular decagon?

The sum of interior angles of any N-sided polygon is: N*180° - 360°. For N = 10, this gives 1440°. Since the decagon is regular, all angles are equal, and each angle is 144°.


What is the SUM of ALL of the interior angles of a decagon?

The 10 interior angles of a decagon add up to 1440 degrees


What is the measure of an interior angle for a regular ten-sided polygon?

144o. Sum of exterior angles of a polygon is 360o. Each exterior angle for a regular decagon is 360o / 10 = 36o. Exterior and interior angles are supplementary, that is sum to 180o. Therefore the interior angle of a regular decagon is 180o - 36o = 144o.


What is the sum of the interior angles of this decagon?

1440


How many sides and angles does a decagon have?

A decagon has 10 sides, and 10 angles. The sum of the interior angles of a decagon is (10-2)×180° = 1440° In a regular decagon all the angles are congruent at 1440° ÷ 10 = 144°


What is the sum of the measrures of the interior angles of a decagon?

The interior angles of a 10 sided decagon add up to 1440 degrees.


What is the size of each interior angle of a regular decagon?

A ten-sided polygon. The sum of the angles of a decagon is 1440°. so 1440°÷10=144° ---------------------------------------------------------------------------- The easiest way to calculate this is to calculate the exterior angle and use the fact that the exterior and interior angles are supplementary. Sum exterior angles = 360° → Each exterior angle of a regular decagon is 360° ÷ 10 → Each interior angle of a regular decagon = 180° - 360° ÷ 10 = 144°


What is the sum of the interior angles of a decagon?

The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees. In this instance, the sum of the interior angles of a decagon is equal to 180 x (10 - 2) = 1440 degrees.(10-2)*180 = 8*180 = 1440 degrees.


What is the sum of the measures of the interior angles of a decagon?

1440


What is the sum of the angles measured in a decagon?

The 10 interior angles of a decagon add up to 1440 degrees


What is the answer to the interior angles in a decagon?

The sum of the interior angles in a decagon = 180(10-2) = 1440° The measure of a single interior angle in a decagon = (180(10-2))/10 = 144°