POLYGON S Interior & Exterior Angles of Irregular Polygons.

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Transcript of POLYGON S Interior & Exterior Angles of Irregular Polygons.

Page 1: POLYGON S Interior & Exterior Angles of Irregular Polygons.
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POLYGOPOLYGONSNS

Interior & ExteriorInterior & ExteriorAnglesAngles

of Irregular of Irregular PolygonsPolygons

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Sum of the Interior Sum of the Interior Angles of a PolygonAngles of a Polygon

180(n-2)

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Individual Interior Individual Interior Angle of a Angle of a RegularRegular

PolygonPolygon

n180(n-2)

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Sum of the ExteriorSum of the ExteriorAngles of a PolygonAngles of a Polygon

360°

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Individual Exterior Individual Exterior Angle of a Angle of a RegularRegular

PolygonPolygon

n360°

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Find the measure of each interior angle.

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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.

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Find the measure of each exterior angle.

Page 13: POLYGON S Interior & Exterior Angles of Irregular Polygons.

Find the measure of y.

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A heptagon has exterior angles with the measures of 9x, 2x, 7x,

4x, 5x, 6x, 3x. Find the measure of each interior angle.

Page 15: POLYGON S Interior & Exterior Angles of Irregular Polygons.

pg. 386(2-13, 16-26, 29-31)

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