kkkk4518
kkkk4518 kkkk4518
  • 01-09-2019
  • Mathematics
contestada

The area of an equilateral triangle with side 4 cm.

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jimrgrant1 jimrgrant1
  • 01-09-2019

Answer:

4[tex]\sqrt{3\\}[/tex] ≈ 6.93 cm²

Step-by-step explanation:

The area (A) of an equilateral triangle is calculated as

A = [tex]\frac{s^2\sqrt{3} }{4}[/tex] ← s is the side length

here s = 4, thus

A = [tex]\frac{4^2\sqrt{3} }{4}[/tex]

   = [tex]\frac{16\sqrt{3} }{4}[/tex]

   = 4[tex]\sqrt{3\\}[/tex] ≈ 6.93 cm²

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trotsky
trotsky trotsky
  • 01-09-2019
You measure the area of a triangle with the base multiplied by the height divide by 2.
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