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Video reviews the rules of 30-60-90 triangles.
Also Solves: Find the hypotenuse and long side of a triangle from a short side of 3 units.
Find the short side of a 30-60-90 triangle given a hypotenuse of 10 units.
Find the hypotenuse given a long side of 6 units.
30-60-90 Triangles are classified as "special right triangles". They are special because of special relationships among the triangle legs that allow one to easily arrive at the length of the sides with exact answers instead of decimal approximations when using trig functions.
30 60 90 triangle examples with answers
30 60 90 triangle rules
30 60 90 triangle characteristics
A 30 60 90 triangle completes an arithmetic progression
An arithmetic progression is a sequence of numbers in which the difference of any two successive numbers is a constant.
For instance, 2,4,6,8 is an arithmetic progression with a constant of 2
A 30 60 90 triangle is formed when an altitude is drawn from a vertex of an equilateral triangle, forming two congruent right triangles.
The following diagram summarizes the rules of a 30-60 90 Triangle
Common Core Standard G.SRT.6
Keywords:Side ratios,properties of angles,right triangles,trigonometric ratios