THE 30°60°90° TRIANGLE THERE ARE TWO special triangles in trigonometry One is the 30°60°90° triangle The other is the isosceles right triangle They are special because, with simple geometry, we can know the ratios of their sides Theorem In a 30°60°90° triangle the sides are in the ratio 1 2 We will prove that belowWhat is a Triangle?Examples of triangles area of a triangle sum of the angles of a triangle The Pythagorean Theorem
30 60 90 Triangle Rules Sides Ratio Of A 30 60 90 Triangle Video Lesson Transcript Study Com
