Question

11. Find the area of an equilateral triangle whose each side is 12 cm.​

Answer 1

⭐Given:

• Given triangle is an Equilateral triangle.

• Length of each side is 12 cm.

⭐To Find:

• Area of an equilateral triangle=?

⭐Solution:

Since,

We know that,

Area of a equilateral triangle=√3/4×(side) ²......... (formula)

: . Area of an equilateral triangle=√3/4×(12) ²

=√3/4×144

=√3×36

=36√3 cm².

Therefore , the area of an equilateral triangle is 36√3cm²