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Geometry 11 Online
OpenStudy (anonymous):

How do you find the Area and Perimeter of an equilateral triangle with the height of 30 yards?

OpenStudy (junhaoz):

You can use the Pythagorean theorem to find the measurement of sides. If you cut the triangle in half the height (30) would be the x√3 part of a 30-60-90 right triangle.

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