Question

if the perimeter of equilateral triangle is 80 metre then find its area​

Answer 1

Step-by-step explanation:

perimeter = 3×side

80=3×side

side=80/3

side=26.67

Area=

$\sqrt{3 \div 4 \: } a {}^{2}$

$\sqrt{3 \div 4} \: \: 26.67 ^{2}$

Area=308m