If the Area of an Equilateral Triangle is `81sqrt3 Cm^2` Find Its Height. - Mathematics
If the area of an equilateral triangle is `81sqrt3 cm^2` find its height.
Area of equilateral triangle=`81sqrt3 cm^2`
Area of equilateral triangle =`(sqrt3/4xxa^2)` where a is the length of the side
⇒ `a=18 cm`
Height of triangle=`sqrt3/2xxa`
Concept: Areas of Combinations of Plane Figures
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