Area of an equilateral triangle with perimeter 60 m is
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Answers
Answered by
15
p=60m
side=60m/3=20m
area=root under3/4*side square
area=1.732/4*400m
area=173.2m sq.
side=60m/3=20m
area=root under3/4*side square
area=1.732/4*400m
area=173.2m sq.
Answered by
23
perimeter = 3×side
60m=3×side
60m/3=side
20m=side
area =(underroot 3 ×side ^2)/4
underroot 3 ×5×20
underroot 3×100
1.732×100
173.200
60m=3×side
60m/3=side
20m=side
area =(underroot 3 ×side ^2)/4
underroot 3 ×5×20
underroot 3×100
1.732×100
173.200
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your answer is right but
what but
after underroot 3 ×100 it will =100 underroot 3
we can also write in that why
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