Question

plz tell me answer

quickly​

Answer 1

Answer:

Perimeter of square is given 60 which is double of rectangle so perimeter of rectangle will be

= 60/2 = 30 cm

Perimeter of rectangle

$= 2(l + b) = 30 \\ since \: \: given \: \: b = 3 \\ \implies2(l + 3) = 30 \\ \implies\: l + 3 = 15 \\ \implies\: l = 12 \: \:cm$