Traffic signal board indicating School A h e a dis an equilateral triangle with side a find the area of the signal board using heron's formula if its perimeter is 180 cm what will be the area of the signal boards
A traffic signal board School a h e a d is an equilateral triangle with side a find the area of the signal board using heron's formula if its perimeter is 180 cm what will be the area of the signal boards
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