no
An interior angle of a heptagon can have ANY value between 0 and 360 degrees.
If you are trying to find the missing angle of a triangle you do 180 degrees minus your two other angles. However if you are trying to find the missing angle of a quadrilaterals you do the same thing but with 360 degrees.
Subtract the two known angles from 180 degrees will give you the missing angle
Each interior angle of a regular 7 sided heptagon is 128.'571428' degrees recurring decimal '571428'
51.428571° is the measure of an exterior angle of a heptagon. You can always find the measurements of a regular polygon by dividing 360 by the amount of sides.
An interior angle of a heptagon can have any value in the range (0, 360) degrees - other than 180 degrees.
180 minus two known angle = missing angle. Use Pythagoras' theorem to find its missing side.
128.571428 repeating
A heptagon. It can have a reflex interior angle, a triangle cannot.
heptagon
no
An interior angle of a heptagon can have ANY value between 0 and 360 degrees.
7 obtuse angle
If you are trying to find the missing angle of a triangle you do 180 degrees minus your two other angles. However if you are trying to find the missing angle of a quadrilaterals you do the same thing but with 360 degrees.
360/7 = 51.43 degrees (approx).
The 7 exterior angles of a septagon or a heptagon add up to 360 degrees