Question

Length=4.4 Breadth=? Area =77 Perimeter =?​

Answer 1

$rectangle \\ length = 4.4 \: breadth = x \\ area = length \times breadth \\ 77 = 4.4 \times x \\ \\ x = 17.5 \\ perimeter = 2(l + b) \\ perimeter = 2(17.5 + 4.4) \\ perimeter = 2 \times 21.9 = 43.8 \: \: answer$