Question

oa traffic signal board, indicating 'SCHOOL AHEAD', is an equilateral triangle with side 'a'. Find the area of the signal board, using Heron's formula. If it's perimeter is 180 cm, what will be the area of the signal board​

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A traffic signal board , indicating ' SCHOOL AHEAD' , is an equilateral triangle with side 'A' . find the area of the si...

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