Q4 of 31 Page 45

Use Heron’s formula to find the area of an equilateral triangle whose side is ‘p’.

Given:


Length of side of the triangle = p


Semi perimeter (s) =


According to Heron’s formula


Area of the triangle = √(s(s-a)(s-b)(s-c))


⇒ Area of the triangle =


⇒ Area of the triangle =


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