Pentagon
Degrees=180(n-2)
n=# of sides
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No - the interior angles of a polygon must total at least 360 degrees.
The total for the interior angles depends on the number of sides. The formula for the total of interior angles of an n-sided polygon is sum =180(n-2). This is 180 degrees for triangles, 360 degrees for quadrilaterals, and 540 degrees for pentagons.
A 13 sided polygon also called a triskaidecagon or tridecaogn has a total 1980 degrees for its interior angles.
A heptagon is a seven-sided polygon. It has seven interior angles. If it is a Regular polygon, each interior angle measures approximately 128.57 degrees, to a total of 900 degrees.
Exterior angles . . . 360 degrees Interior angles . . . 1,080 degrees Total . . . . . . . . . . . 1,440 degrees