if the permiter of an equilateral traingle 60cm then what it's area?
200√2cm^2
100√2cm^2
100√3cm^2
200√3cm^2
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if the permiter of an equilateral traingle 60cm then what it's area?
200√2cm^2
100√2cm^2
100√3cm^2
200√3cm^2
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Step-by-step explanation:
answer is in pic....
(perimeter of triangle is 3a because all the sides are equal)
(we took each side as a, so 3 sides=3×a=3a)