Question

What is the area of an equilateral triangle with apothem length 4 cm?

Answer 1

Area of the equilateral triangle is `83.14(2dp) cm^2`

Explanation:

We know area of an equilateral triangle with apothem `(a)` as `A_t=3*a^2*tan60 = 3*16*sqrt3=48*sqrt3=83.14(2dp) cm^2`[Ans]