A TRAFFIC SIGNAL BOARD, INDICATING 'SCHOOL AHEAD' IS AN EQUILATERAL TRIANGLE FORMULA WITH SIDE A.FIND THE AREA OF THE SIGNAL BOARD,USING HERON'S FORMULA.IF ITS PERIMETER IS 120 CM, WHAT WILL BE THE AREA OF THE SIGNAL BOARD
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a school students running for road.
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I have solve the problem. Hope it helps.
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