Question

area of an equilateral triangle of side a units can be calculated by using heron's formula

Answer 1

yes it can be calculated by heron's formula that is S√S(S-a)(S-a)(S-a)
but the easiest one is root 3/4a
hope it helps you.
mark as brainliest please.

Answer 2

Answer:

option d because the sides of equilateral triangle are equal

so,

∆=√s(s-a)(s-b)(s-c)