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FAQ

 

One interior angle + one exterior angle in a regular polygon will always add up to 180 (straight line). The sum of all exterior angles are 360.

 

If a polygons interior angles each have a measure of 120 degrees, how many sides does this polygon have. (keep in mind one interior angle + one exterior must equal 180  and all exterior angles must equal 360)

01 /
All about polygons
04 /
Logos & Reflectional Symmetry

Which of these popular logos have reflectional symmetry across any line?

 Why are all equilateral triangles, isosceles?
and are all isosceles triangles, equilateral as well?
05 /
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