using heron's formula ,find the area of an equilateral triangles with side 16cm.

Hi..!

@Ashwini: has provided the correct value of s.

Here is the further solution.

Here, a = b = c = 16 cm

Area of triangle =

 

 

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side=16cm

all sides of an equilateral triangle are equal so all sides are 16 cm.

semi perimeter = a+b+c/2

                            = 16+16+16 /2

                            = 48 / 2

                           = 24 cm.

now find the area using heron's formula.

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