Finding the sum of interior angles.

Find the sum of the interior angle of:pentagon,15-gon,and 18-gon.

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Geometry: Finding the angles of Polygons - Find the value of x and any unknown angles. Find the measure of one angle in the polygon. Round to nearest tenth if needed. 4. Regular 30-gon 5. Regular 35-gon For #6-8, find the value of x and ...
geometry - (See attached files for full problem description)
Geometry - a- find the measure of one angle in the polygon. round to nearest tenth if needed. 1- regular 30- gon 2- regular 35- gon b- sum of angle and number of sides to polygon sum of angles ...
Geometric Constructions - See attached pdf file for problem and diagram regarding angles.
The measure of each interior angle of a regular polygon... - The measure of each interior angle of a regular polygon is 11 times that of the exterior. How many sides does the polygon have? I think that each interior angle would equal 165 degrees and each ext ...