The exterior angles of a 15 sided shape add up to 360 degrees
The 8 interior angles of an 8 sided octagon add up to 1080 degrees
Exterior angles add up to 360 degrees Interior angles add up to 900 degrees
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360
The exterior angles of a 15 sided shape add up to 360 degrees
The interior angles of a 9 sided nonagon add up to 1260 degrees and its exterior angles add up to 360 degrees
The interior angles of a 24 sided shape add up to 3960 degrees
The 8 interior angles of an 8 sided octagon add up to 1080 degrees
Exterior angles add up to 360 degrees Interior angles add up to 900 degrees
180
360
720
540
The total sum of angles of an n-sided shape is (n-2)x180o Hence, the angles in a five sided shape add up to (5-2)x180o = 3 x 180o = 540o
Exterior angles add up to 360 degrees Interior angles add up to 1080 degrees
540 degreesThe interior angles add up to 540 degrees.