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Question

If the area of equilateral triangle is 33cm2 then find the height of equilateral triangle

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Solution

Area of an equilateral triangle =33sq.cm

Let the side of the equilateral triangle be acm

34a2=33

a2=12

a=4×3=23

If the side of the triangle is considered as a base

Area of a triangle=12×base×height.

33=12×23×h

h=333=3cm

height of the equilateral triangle is 3cm

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