0
all closed shapes, including decagons, are always 360 degrees
- This is actually untrue. Add up the angles of a triangle. They add up to 180 degrees. Add up the angles of a hexagon. The answer is over 360. I say take a decagon and add up the angles. It's not that hard.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the sum of the angles measured in a decagon?
The 10 interior angles of a decagon add up to 1440 degrees
How many facts does a decagon have?
A decagon is a 10 sided polygon Exterior angles add up to 360 degrees Interior angles add up to 1440 degrees It has 35 diagonal A decagon can have a regular or an irregular shape
What is the sum of the measure of the angles of a decagon?
Interior angles add up to 1440 degrees Exterior angles add up to 360 degrees
How many angles a decagon have?
It has 10 interior angles that add up to 1440 degrees
What is the sum of the exterior angle of a regular decagon?
The exterior angles of a regular 10 sided decagon add up to 360 degrees. Note that the exterior angles of any polygon add up to 360 degrees.
What is the sum of the angles measured in a decagon?
The 10 interior angles of a decagon add up to 1440 degrees
What is the SUM of ALL of the interior angles of a decagon?
The 10 interior angles of a decagon add up to 1440 degrees
What do the angles inside a decagon add up to?
1440
What is the sum of the measrures of the interior angles of a decagon?
The interior angles of a 10 sided decagon add up to 1440 degrees.
How many facts does a decagon have?
A decagon is a 10 sided polygon Exterior angles add up to 360 degrees Interior angles add up to 1440 degrees It has 35 diagonal A decagon can have a regular or an irregular shape
What is the sum of the measure of the angles of a decagon?
Interior angles add up to 1440 degrees Exterior angles add up to 360 degrees
How many angles a decagon have?
It has 10 interior angles that add up to 1440 degrees
What is the sum of the exterior angle of a regular decagon?
The exterior angles of a regular 10 sided decagon add up to 360 degrees. Note that the exterior angles of any polygon add up to 360 degrees.
What kinds of angles does a decagon have?
A regular 10 sided decagon has 10 equal interior obtuse angles of 144 degrees that add up to 1440 degrees
What examples are there of a decagon?
A decagon is a 10 sided polygon whose 10 interior angles add up to 1440 degrees
What do interior angles add up to in a regular decagon?
Each interior angle measures 144 degrees and the 10 angles add up to 1440 degrees
What is the sum of the measures of the exterior angles in a regular decagon?
The exterior angles of any polygon add up to 360.
