Question

find the area of quadrilateral triangle whose side is 12 CM​

Answer 1

Answer:

area of equilateral triangle=√3/4×side×side=√3/4×144=36√3

Answer 2

Answer: 36 root3 square cm.

Step-by-step explanation:

I think you meant 'equilateral triangle'.

The equation for finding the area of an equilateral triangle is (root 3)a^2 / 4, where 'a' is the length of the side.

So for an equilateral triangle with side 12 cm,

Area

= (root 3) 12^2 /4 = 36 root3 square cm

I hope you understand.