Question

If the area of an equilateral triangle is 81/3 cm2
then its height is​

Answer 1

Step-by-step explanation:

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Answer 2

GIVEN:

Area of Equilateral Triangle= 81/3 cm²

Formula Used:

[(root)3 × Side²] ÷ 4

SOLUTION:

=> 81√3=√3a^2/4

=> a^2=81√3×4/√3

=> a=√81×4

=> a=18

Therefore; height of equilateral triangle=√3a/2

= 18√3/2

= 9√3 answer