Y1 ch 4 - Derry Township School District

MP-70. An equilateral triangle of side length L has a height of approximately 0.866L. For example, if L = 10 cm, then its height is approximately 8.66 cm. a) Sketch an equilateral triangle on your paper. b) Find the approximate heights of three equilateral triangles of side lengths 10 centimeters, 20 inches, and 8 feet. ................
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