Question

using heron formula find the area of equilateral triangle of side 'a'​

Answer 1

Answer:

(a²√ 3)/4

Step-by-step explanation:

s = p/2 = 1.5a

Area A = √ s(s-a)(s-b)(s-c)

A = √ s(s-a)(s-a)(s-a)

A = √ (0.5a)³(1.5a)

A = a²√ (1.5)/8

A = a²√ 3/16

A = a²√ (3/16)

A = (a²√ 3)/4