Question

The top of a valentine candy box is in the shape of an equilateral triangle if the altitude of the triangle is 8cm what is the perimeter of the triangle

Answer 1

let the side of the triangle be 2x

then tan60 = 8/x
x = 8/tan60

perimeter = 3(2x) = 6x
= 48/√3 = appr 27.7 cm