Question

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


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Answer 1

Answer:

perimeter = 180 cm

length of on side = 180 ÷ 3 = 60 cm

Area of equilateral triangle = side × 3

= 60 × 3 = 180 cm

Answer 2

Answer:

3*s=180cm

s= 180/3

s = 60cm

Area of an equilateral triangle=

$\sqrt{3 } \div 4 \times (60) {}^{2} = 1558.8 \: sq \: cm$