30-60-90 Special Right Triangle

Videos, worksheets, stories and songs to help Grade 8 students learn about the 30-60-90 special right triangle.



30-60-90 Triangles :
A 30-60-90 triangle is a special type of right triangle. What is special about 30-60-90 triangles is that the sides of the 30-60-90 triangle always have the same ratio. Therefore, if we are given one side we are able to easily find the other sides using the ratio of 1:2:square root of three. This special type of right triangle is similar to the 45-45-90 triangle. How to find the legs and hypotenuse in 30-60-90 triangles when given: the short leg, the long leg, or the hypotenuse.



30-60-90 Triangle



Finding the Missing Side of 30-60-90 Triangle




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