Question

the parameter of two squares are 2 me and 2.8 M find the perimeter of a square whose area is equal to the sum of areas of these two squares

Answer 1

area of 1 square=
$l \times b$
$2 = 2 \times (x + y) \\ x + y = 2 \div 2 = 1 \\ 1 \div 2 = 0.5$

Answer 2

perimeter of the square=2( length +breadth)
2(2+2.8)
2(5.6)
=11.2