.Area of an equilateral triangle is 36√3 cm2 . Find its side.
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Answer:
The side of the triangle is 12cm.
Step-by-step explanation:
Let the side of the equilateral be a cm
Area of an equilateral triangle = √3/4a²
36√3 = √3/4a²
36√3 x 4/√3 = a²
36 x 4 = a²
9 x 4 x 4 = a²
√9 x 4 x 4 = a
3 x 4 = a
12cm = a
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