polygon s interior & exterior angles of irregular polygons
Post on 17-Dec-2015
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POLYGOPOLYGONSNS
Interior & ExteriorInterior & ExteriorAnglesAngles
of Irregular of Irregular PolygonsPolygons
Sum of the Interior Sum of the Interior Angles of a PolygonAngles of a Polygon
180(n-2)
Individual Interior Individual Interior Angle of a Angle of a RegularRegular
PolygonPolygon
n180(n-2)
Sum of the ExteriorSum of the ExteriorAngles of a PolygonAngles of a Polygon
360°
Individual Exterior Individual Exterior Angle of a Angle of a RegularRegular
PolygonPolygon
n360°
Find the measure of each interior angle.
A pentagon has two right angles and two congruent angles, and
one angle measuring 80 degrees. Find the measures of all of its
interior angles.
Find the measure of each exterior angle.
Find the measure of y.
A heptagon has exterior angles with the measures of 9x, 2x, 7x,
4x, 5x, 6x, 3x. Find the measure of each interior angle.
pg. 386(2-13, 16-26, 29-31)
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