A 90-degree angle is a right angle.
The supplement of an 80 degree angle is an 100 degree angle.
78 degree angle
a 10-degree angle
66 degree angle
Since it is not a regular octagon, any value that you like.
180 degree angle or a straight angle
With a protractor
With a protractor.
That is a regular octogan (8 sided shape)
First draw a 90 degree angle .Than draw a 20 degree angle from that 90 degree angle . Than the rest of the angle will be 90-20=70 .Now bisect the 70 degree angle we will get 70/2=35. Now add the rest of the angle means 35+20 =55 GOT 55 DEGREE ANGLE