Question

The area of an equilateral triangle is 24râ3 cm square . find its perimeter

Answer 1

Area of an equilateral triangle=24ra^3

√3 /4 a^2 = 24r a^3

a = √3 / 4 × 24r

a = √3 /96r

perimeter of equilateral triangle = 3 × a (side )

=3 × √3 / 96r

= √3 /32r