SOLUTION: One side of a equilateral triangle measures 6 cm. find the measure of an altitude of the triangle.

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Question 856257: One side of a equilateral triangle measures 6 cm. find the measure of an altitude of the triangle.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The altitude forms two right triangles. One leg is 3 cm and the hypotenuse is 6 cm. Let y = the altitude length.
y%5E2%2B3%5E2=6%5E2
y=sqrt%2836-9%29
y=sqrt%2825%29=5