Conruent angle
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An octagon has 8 angles. An octagon has the same number of angles as it does sides. Eight. All of the angles measure 135 degrees, and all the angles together are 1080 degrees.
The sides are the same length and internal angles the same
Congruent angles are angles of the same measure. They can have any value and so can add to any number. For example, the six interior angles of a regular hexagon are 120 degrees each and they add to 720 degrees. The four angles of a rectangle are congruent and they add to 360 degrees.
Congruent angles are angles of the same measure. They can have any value and so can add to any number. For example, the six interior angles of a regular hexagon are 120 degrees each and they add to 720 degrees. The four angles of a rectangle are congruent and they add to 360 degrees.
Interior angles: 2520 degrees Exterior angles: 360 degrees