If the area of an equilateral triangle is 81 root 3 cm sq find its height
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9√3 cm
ar= 1/2* a*√3a/2
81*4=a^2
a=18
√3a/2= 9√3=height
ar= 1/2* a*√3a/2
81*4=a^2
a=18
√3a/2= 9√3=height
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