Equilateral Triangle
See how to find the height/area of an equilateral triangle.
3 examples and their solutions.
Equilateral Triangle
Definition
whose sides are all congruent.
So its interior angles are all congruent: 60º.
Equilateral Triangle: Height
Formula
h = √32⋅a
Example
h = √32⋅8
= 4√3
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Example
Equilateral Triangle: Area
Formula
A = √34⋅a2
Example
Area?
Solution A = √34⋅62
= √34⋅36
= 9√3
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