Question

The perimeter of an equilateral triangle is 60 m. Find area of the tringle.​

Answer 1

$Equilateral triangle</p><p></p><p>Solve for </p><p></p><p>area</p><p></p><p>A</p><p></p><p>≈</p><p></p><p>173.21</p><p></p><p>m²</p><p></p><p>P</p><p></p><p>Perimeter</p><p></p><p>m</p><p></p><p>Using the formulas</p><p></p><p>A</p><p></p><p>=</p><p></p><p>3</p><p></p><p>4</p><p></p><p>a</p><p></p><p>2</p><p></p><p>P</p><p></p><p>=</p><p></p><p>3</p><p></p><p>a</p><p></p><p>Solving for</p><p></p><p>A</p><p></p><p>A</p><p></p><p>=</p><p></p><p>3</p><p></p><p>P</p><p></p><p>2</p><p></p><p>36</p><p></p><p>=</p><p></p><p>3</p><p></p><p>·</p><p></p><p>60</p><p></p><p>2</p><p></p><p>36</p><p></p><p>≈</p><p></p><p>173.20508</p><p></p><p>m²</p><p></p><p>$

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Answer 2

Answer:

100root 3 cm^2

Step-by-step explanation:

Perimeter of equilateral triangle =3×side

60=3×sides

Side=20 cm

Area of equilateral triangle = root 3/4*(side)^2.

= Root 3/4*20*20

= 100root 3 cm^2

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