Question

if the area of an equilateral triangle is 81 root 3 cm square find the height

Answer 1

Hey Mate!!

Area of a equilateral triangle=√3a^2/4
or 81√3=√3a^2/4
or a^2=81√3×4/√3
or a=√81×4
.•.a=18

then, height of equilateral triangle=√3a/2
=18√3/2
=9√3 answer

Regards Vishal_______(BhamBhamBhole)
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