A traffic signal board, indication 'SCHOOL AHEAD' is an equilateral triangle. Find the area of the signal board, using herons formula. If its perimeter is 180 cm
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perimeter =3a
180÷3=a
=60
semi perimeter=180÷2=90
area=
cm sq.
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180÷3=a
=60
semi perimeter=180÷2=90
area=
cm sq.
hope it helps u
plzz do mark as brainliest
thbk u !!
amankhan6:
thanks ALFIYA007
ur method must be wrong prem
hmm
THERE IS ABSOLUTELY NEED OF SEMI PERIMETER TO PUT IN HERONS FORMULA
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