Suppose the angle is x degrees. Then its supplement is 180-x degrees.
But you also know that the supplement is 8x
so 8x = 180 - x deg
Add x to both sides: 9x = 180 deg
Divide both sides by 9: x = 20 deg
Chat with our AI personalities
The angle= 36, the supplement= 144, the compliment=54
Eight sided closed figure with equal length of all the sides is called Octagon. Measure of every angle of Octagon is 45.
If the 135-degree polygon is a regular polygon and each interior angle measures 135 degrees then the polygon is an eight-sided octagon
An 8-sided shape is called an octagon. The term "octagon" is derived from the Greek words "octa," meaning eight, and "gonia," meaning angle. In geometry, an octagon has eight straight sides and eight angles, with each angle measuring 135 degrees.
measure each edge and times it by eight.