find the area of an equilateral triangle, if its altitude is 5√3 cm,
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altitude of an equilateral triangle=√3 /2*a
5√3=√3 /2*a
a=10
area of an equilateral triangle=1/2*5√3*10
=25√3 cm^2
5√3=√3 /2*a
a=10
area of an equilateral triangle=1/2*5√3*10
=25√3 cm^2
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