The 10 interior angles of a decagon add up to 1440 degrees
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β 8y ago144
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
360
1440
Add each side of the decagon, or all ten sides, to get the sum.
144
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
1440
360
The 10 interior angles of a decagon add up to 1440 degrees
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°
The interior angles of a 10 sided decagon add up to 1440 degrees.
1440
360 degrees
1440
Add each side of the decagon, or all ten sides, to get the sum.
The sum of the exterior angles of any polygon is always 360 degrees.