Question

find the area of equilateral triangle whose side is 18 metre​

Answer 1

Answer:

yes it is a branliest

Step-by-step explanation:

yes

36

Answer 2

Answer:

We know that area of Equilateral triangle is(√3/4) a^2

as given that a=side=18m

area of triangle is

$\frac{ \sqrt{3} }{4} {18 }^{2} \\ \frac{ \sqrt{3} }{4} 324 \\ 81 \times \sqrt{3 } \\ 81 \times 1.7 \\ \\ 137.1m {}^{2}$