Question

Find the area of an equilateral triangle with side 4cm

Answer 1

Answer:

Step-by-step explanation:

1/2 x base x height=area

~1/2 x 4 x 4=8cm*2

Answer 2

Area of equilateral triangle
$= \frac{ \sqrt{3} }{4} \times {side}^{2}$
$= \frac{ \sqrt{3} }{4} \times {4}^{2}$
$= \frac{ \sqrt{3} }{4} \times 16$
$= \sqrt{3} \times 4$
$= 4 \sqrt{3} {cm}^{2}$