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What is the perimeter of an equilateral triangle when its area is 692.820323 square cm?
Wiki User
∙ 10y ago
1 Let each side be s
2 If: 0.5*s2*sin(60) = 692.820323 square cm
3 Then: s = square root of (692.820323*2)/sin(60) = 40 cm
4 Perimeter: 3*40 = 120 cm
Wiki User
∙ 10y ago
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