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To work this out, all the external angles of any shape add up to 360°, so all we need to do to work the external angle out is divide 360° by the number of sides giving us a sum of 360 divided by 8 sides = 45°; so now we have the exterior angle we can easily find the internal angle, we do this by subtracting the external angle which in the case of an octagon is 45° from 180° thus giving us 135°, of course this is only going to work on a regular shape with equal sides as an irregular shape is going to have different angles but will still total 360°.
The interior angle of a regular octagon is 135° and the external 45°.
By tash2010
What else can I help you with?
What is the measure of an angle of a regular octagon?
An interior angle of a regular octagon is 45 degrees. The exterior angles measure 315 degrees.
How much is one angle in a octagon?
Providing that it is a regular octagon: Exterior angle: 45 degrees Interior angle: 135 degrees
What is the size of one interior angle in a regular octagon?
135 degrees and its exterior angle is 45 degrees
What is the exterior angle for a octagon?
180 minus interior angle = exterior angle
How did you get how many degrees are in one exterior angle of a regular octagon?
Each exterior angle of a regular octagon: 360/8 = 45 degrees
What is the measure of an angle of a regular octagon?
An interior angle of a regular octagon is 45 degrees. The exterior angles measure 315 degrees.
What is the angle for a regular octagon?
Each interior angle of an 8 sided regular octagon is 135 degrees and each exterior angle is 45 degrees
How much is one angle in a octagon?
Providing that it is a regular octagon: Exterior angle: 45 degrees Interior angle: 135 degrees
What is the measure of one angle in the regular octagon?
Exterior angle: 45 degrees Interior angle: 135 degrees
What is the size of one interior angle in a regular octagon?
135 degrees and its exterior angle is 45 degrees
What is the name of the regular polygon interior is treble its exterior angle?
an octagon (8-sided)
What is the exterior angle for a octagon?
180 minus interior angle = exterior angle
What is the name of the regular polygon whose interior angle is treble ist exterior angle?
It is a regular octagon which has 8 sides
What is the angle of each regular octagon?
Each exterior angle: 45 degrees Each interior angle: 135 degrees
What is the measure of a single angle in a regular octagon?
Exterior: 45 degrees Interior: 135 degrees
How many degrees is each angle of an octagon?
If it is a regular 8 sided octagon then each exterior angle is 45 degrees and each interior angle is 135 degrees.
What is the measure of each angle in a regular octagon?
Each exterior angle is 45 degreesEach interior angle is 135 degrees135 degrees.
