500
Knowing that a complementary angle looks like an "L" and is 90 degrees, how many interior degrees are inside a square or rectangle?
Total degrees inside the square/rectangle is 360 degrees because 90 degrees x 4 angles = 360 degrees or 90 degrees + 90 degrees + 90 degrees +90 degrees = 360 degrees.
Extra Credit Daily Double: Since two triangles make up a square, how many interior degrees are inside a triangle?