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The internal angles of a polygon with n vertices sum to (n-2)*180 degrees. This is easy to prove given a browser that supports very basic graphics but this one is just not fit for that!
Then, since an octagon has 8vertices, its interior angles sum to (8-2)*180 = 6*180 = 1080 degrees.
What else can I help you with?
How many degrees is an octagon?
The 8 interior angles of an octagon add up to 1,080 degrees.
What do the angles of the octagon add up to?
The interior angles of an octagon sum to 6*pi radians (1080 degrees).
What polygon has an angle sum of 1440?
A 10 sided polygon or a decagon has interior angles that add up to 1440 degrees
What is the sum of the interior angles of a regular decagon?
1440 degrees. The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees.
If the sum of the interior angle measures of a polygon is 1440 degrees how many sides does the polygon have?
The answer is 11 sides If a polygon with 10 sides the sum of the interior angles are 1440° So 1440°+180°= 1620°
What is the sum of angles of 10 sided polygon?
Sum of exterior angles = 360 degrees Sum of interior angles = 1440 degrees
How many degrees is an octagon?
The 8 interior angles of an octagon add up to 1,080 degrees.
How many degrees are in an octagon?
The sum of the interior angles of an octagon is equal to 1080 degrees.
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 the interior angles in a 10 sided shape?
The sum of the interior angles is 8x180 degrees or 1440 degrees. The sum of the exterior angles is always 360 degrees.
What is the sum of an interior angles of an octagon?
1080 degrees
What is the sum of the measures of the angles of a octagon?
1080 degrees.
What does an octagon equal?
An octagon has 8 sides and 8 angles. The sum of the interior angles of an octagon is 1080 degrees.
What polygon has the sum of the interior angles 1440 degrees?
A decagon
What is the sum measure of the interior angles of a decagon?
1440 degrees
What is the sum of the measures the interior angles of a decagon?
1440 degrees
How do you find the number of degrees in a decagon?
The sum of the interior angles is 1440 degrees.
