30-60-90 Triangles - Concept

Concept (1)

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.

Sample Problems (4)

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30-60-90 Triangles - Problem 1

Problem 1

How to find the long leg and short leg in a 30-60-90 triangle given the hypotenuse.
30-60-90 Triangles - Problem 2

Problem 2

How to find the short leg and hypotenuse in a 30-60-90 triangle given the long leg.
30-60-90 Triangles - Problem 3

Problem 3

How to find the short leg and long leg in a 30-60-90 triangle given the hypotenuse.
30-60-90 Triangles - Problem 4

Problem 4

How to find the area of an equilateral triangle given only a side length.