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If you mean a decagon then its 10 interior angles add up to 1440 degrees

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12y ago

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Related Questions

Does the interior angles of all triangles measure 360?

No, the interior angles of a triangle measure 180° altogether.


What is the measure of an interior angle of a normal polygon with 15 sides?

Each interior angle will measure 156 degrees


What is the measure of an interior angle that has a regular polygon with 20 sides?

Each interior angle will measure 162 degrees


What is the total measure of all the interior sides of a four sided figure?

The interior angles measure 360 degrees.


Interior measure of a convex polygon with four sides?

If interior measure means interior angles, their sum is 360 degrees. Also, whether the figure is convex is irrlevant.


Is Each of the interior angles in a polygon are equal in measure.?

Only when it is a regular polygon that all interior angles are of equal measure


What is the measure of one interior angle on a regular polygon with an interior angle sum of 2160 degrees?

It will have 14 sides and each interior angle will measure 2160/14 degrees


What is the measure of a polygons interior angle?

It is: 180-exterior angle = interior angle


What will be the measure of an interior angle of a regular three side polygon?

It will be an equilateral triangle and each interior angles measure 60 degrees.


The measure of an exterior angle of a triangle is equal to the measure of either remote interior angle?

No. The sum of the other two interior angles.


Which regular polygon the measure of the exterior angle is twice the measure of the interior angle?

In a regular polygon, the measure of the exterior angle is related to the interior angle by the equation: exterior angle = 180° - interior angle. If the exterior angle is twice the measure of the interior angle, we can set up the equation: exterior angle = 2 × interior angle. Solving this gives us the equation: 180° - interior angle = 2 × interior angle, leading to 180° = 3 × interior angle, or interior angle = 60°. This corresponds to a regular hexagon, as it has interior angles of 120° and exterior angles of 60°.


What is the measure of the supplementary angle of an interior angle?

The measure of the exterior angle.