Question

If the perimeter of an equilateral triangle is 180 cm. Then its area will be:

Answer 1

Answer:

Step-by-step explanation:

Perimeter of △ABC= 180cm. So the side of an equilateral triangle is 60cm. Area of the equilateral triangle is given as Area = √34x2 where x is the side of the equilateral triangle. Hence the area of the triangle is 1558.84cm2.

Answer 2

Perimeter of the equilateral triangle

=3(side)

180=3a

a=180/3

a=60cm

Therefore,the sides of the triangles are 60cm,60cm &60cm(Equilateral triangle)

AREA OF THE EQUILATERAL TRIANGLE

=√3/4×a²

=√3/4×60²

=√3/4×3600

=√3×900

=900√3 cm² or 900×1.732

=1558.8 cm²

Therefore,the area of the Equilateral triangle is 900√3 cm² or 1558.8 cm²..