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Mathematics 18 Online
OpenStudy (anonymous):

one side of an equilateral triangle measures 6cm. find the measure of an altitude of the triangle

OpenStudy (mertsj):

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OpenStudy (mertsj):

Remember that each angle of an equilateral triangle is 60. So when we draw the altitude, we have a 30-60-90 right triangle.

OpenStudy (mertsj):

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