Question

find the area of equilateral triangle whose side is 5
don't spam and irrelevant answer and explain the answer too plzz​

Answer 1

Answer:

A≈10.83

Step-by-step explanation:

A=(3/4)a²

Answer 2

Answer:

$area \: of \: a \: equalateral \: triangle =( \sqrt{3} \div 4)a {}^{2}$

$a = 5$

$area = ( \sqrt{3} \div 4) \times 25$

$area = 25 \sqrt{3} \div 4$

$area = 51.25 \times \sqrt{3}$