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The measure of an exterior angle of a trapezium can have any value in the range (0, 180) degrees. The sum of all four must be 360 degrees, and there must be two adjacent pairs that add to 180 degrees.
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How can you get the measure of an interior angle if you have the measure of the exterior angle of a regular polygon?
It is: 180-exterior angle = interior angle because there are 180 degrees on a straight line
What is the exterior angle sum of a trapezoid?
The exterior angle sum of ANY plane polygon (ie 2-dimensional figure with straight sides) is 360 degrees.
What is the measure of each exterior angle of a decagon?
Providing that it's a regular decagon then each exterior angle will measure 36 degrees
What is the sum of the exterior angles of a non convex polygons?
The sum is always 360 degrees. Note, though, that when the interior angle is convex, the measure of the exterior angle is negative.The sum is always 360 degrees. Note, though, that when the interior angle is convex, the measure of the exterior angle is negative.The sum is always 360 degrees. Note, though, that when the interior angle is convex, the measure of the exterior angle is negative.The sum is always 360 degrees. Note, though, that when the interior angle is convex, the measure of the exterior angle is negative.
What is the measure of the exterior angles of a convex octagon?
The measure of the exterior angle of a convex octagon is indeterminate.
How many exterior angle in a trapezoid?
There are four exterior angles in a trapezoid, two on the top and two on the bottom.
What is the measure of a exterior of an angle of a tringle?
180-interior angle = exterior angle
What is the measure of the supplementary angle of an interior angle?
The measure of the exterior angle.
What is the measure of an exterior angle adjacent to the vertex angle?
It is: 180-vertex angle = exterior angle
What is an exterior angle of a triangle and how does the measure of an exterior angle relate to the interior angles?
Exterior angle+interior angle=180 degrees and 180-exterior angle=interior angle
Which is greater the measure of an exterior angle of a decagon or a pentagon?
Usually, the measure of an exterior angle of a pentagon is greater.
What is the measure of each exterior angle of a regular 40-gon?
Each exterior angle will measure 9 degrees
What is the angle measure of each exterior angle of a decagon?
Providing that it's a regular decagon then each exterior angle will measure 36 degrees
How can you get the measure of an interior angle if you have the measure of the exterior angle of a regular polygon?
It is: 180-exterior angle = interior angle because there are 180 degrees on a straight line
What is the largest exterior angle that any regular polygon can have?
The largest exterior angle measure is 120o. It is the exterior measure of an equilateral triangle (which is a regular polygon).
What is the exterior angle sum of a trapezoid?
The exterior angle sum of ANY plane polygon (ie 2-dimensional figure with straight sides) is 360 degrees.
How do you measure the interior angle of a polygon?
With a protractor or if you know the exterior angle then it's 180 - exterior angle = interior angle
