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The equation to find the size of the interior angle of an n sided shape is (n-2)180/n
For a 120 sided shape, you need to plug n=120 into this equation.
(120-2)180/120
=118x180/120
=177
Thus a 120 sided shape does have an angle of 177 degrees, and the statement in the question is true.
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What is the interior angle of an 8 sided shape?
If it is a regular 8 sided octagon then each interior angle is 135 degrees
What is the interior angle of a 24 sided shape?
Each interior angle of a regular 24 sided polygon is 165 degrees
What is the measure of each interior angle in a 7 sided shape?
a seven sided shapes interior = about 128.5 degrees
How many degrees is an interior angle of a six sided shape?
120
Interior angle of 18 sided shape?
The interior angles of an 18 sided polygon add up to 2880 degrees
What is the sum of the interior angle of a 102 sided shape?
the degrees of a 102 sided shape is 18,000 degrees!
What is the interior angle of an 8 sided shape?
If it is a regular 8 sided octagon then each interior angle is 135 degrees
What is the interior angle of a 24 sided shape?
Each interior angle of a regular 24 sided polygon is 165 degrees
What is the size of an interior angle on a 15 sided shape?
Providing that it is a regular 15 sided polygon then each interior angle will be 156 degrees
What is the measure of each interior angle in a 7 sided shape?
a seven sided shapes interior = about 128.5 degrees
How many degrees is an interior angle of a six sided shape?
120
Interior angle of 18 sided shape?
The interior angles of an 18 sided polygon add up to 2880 degrees
What is the size of each angle in a regular 25 sided shape?
Exterior angle = 14.4 degrees Interior angle = 165.6 degrees
What is the interior angle of a 30 sided shape?
An interior angle of a 30-sided polygon can have any value between 0 and 360 degrees : with the possible exception of 180 degrees - which would make it a 29 sided polygon!
What is the interior angle of a 21 sided shape?
(n-2)*180 3420 degrees
What do the interior angle of a 15 sided shape add up to?
2340 degrees
What is the size of the exterior and interior angles in a heptagon?
The exterior angle of a 7 sided shape add up to 360 degrees The interior angles of a 7 sided shape add up to 900 degrees
