imridashaikh imridashaikh
  • 31-05-2022
  • Mathematics
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the perimeter of an equilateral triangle is 6cm find its area

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Аноним Аноним
  • 31-05-2022

Answer:

√3 cm

or

1.73 cm to the nearest hundredth.

Step-by-step explanation:

Each side must be 2 cm long

Using Heron's formula

Area = √(s(s-a)(s-b)(s-c)  where s = semi-perimeter, a , b and c are the 3 side lengths.

So here s = 6/2 = 3 and all the sides = 2 so

Area  = √(3(3-2)^3

         =  √3 cm.

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