-angles in a 3 sided figure add up to 180 degrees
-angles in a 4 sided figure add up to 360 degrees
about the Right angle
The right angle is 90 degrees.you can find the right angle in squares,rectangles,and right triangles.
About the obtuse angle
-you can find it in the obtuse triangle.
-more than 90 degrees less than 180 degrees
-a lawn chair is an example of a obtuse angle
-less than 90 degrees
-found in acute triangles and more!!
-the straight angle equals 180 degrees
-you can find them in almost everything!