Question

perimeter of an equilateral triangle is 60 m . its area is

Answer 1

Hi there ! ! ! ! !

Here is your answer in this given pic. ....



Hope it helps u. ..... : )

Answer 2

Answer:

$Area\: of\:an\\\: equilateral \:triangle (A)\\≈173.2 m^{2}$

Step-by-step explanation:

Let side of an equilateral triangle= a m

i) Perimeter of equilateral (P)=60m /* given */

=> 3a = 60 m

Divide each term by 3, we get

=> a = 20 m

Now,

$Area\: of\:an\\\: equilateral \:triangle (A)\\=\frac{\sqrt{3}}{4}\times a^{2}$

$=\frac{\sqrt{3}}{4}\times (20)^{2}\\=\frac{\sqrt{3}}{4}\times 400\\=100\sqrt{3}\\=100\times 1.732\\=173.2 m^{2}$

Therefore,

$Area\: of\:an\\\: equilateral \:triangle (A)\\≈173.2 m^{2}$

•••♪