Question

An equilateral triangle whose side is 4 cm each ​

Answer 1

Answer:

Let the side of an equilateral triangle

= a = 4 cm

Area = A = ( √3/4 ) × a²

A = ( √3/4 ) × 4²

A = ( √3 × 4 × 4 ) / 4

A = 4√3 square cm

Answer 2

Answer:

area of the triangle

is = 2×√3×4×½

= 4√3

is the area of the triangle