Question

the length of diagonal of square is 'a' then find the perimeter of square

Answer 1

Answer:

4a/////////==6/£££_%$_£

Answer 2

Answer:

$2 \sqrt{2} \: a$

Step-by-step explanation:

$diagonal \: \: d = a \\ side \: of \: asquare \: \: x = \frac{d}{ \sqrt{2} } \\ x = \frac{a }{ \sqrt{2} } \\ perimeter \: = 4x \\ = 4 \times \frac{a}{ \sqrt{2} } \\ = \frac{4 \sqrt{2} \times a}{2} \\ = 2 \sqrt{2} a \\ = = = = = = = =$