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The area of an equilateral triangle is 36\(\sqrt {3}\) cm2. The length of each sides of the triangle? |
12 cm 10 cm 8 cm 6 cm |
12 cm |
Area of equilateral = \(\frac{\sqrt {3}}{4}\) (side)2 ⇒ 36\(\sqrt {3}\) = \(\frac{\sqrt {3}}{4}\) a2 ⇒ a = \(\sqrt {36 × 4}\) = 12 cm |
