Question

each side of square flower bed is 3 metre 80 cm long it is extended by the dripping a strip of 50 cm wide all around it find the area of enlarged flower bed and also the increase in the area of the flower bed

Answer 1

$3m80cm \: = 380cm \\ area \: of \: a \: sqaure = side \times side \\ = 380cm \times 50cm = 1900cm$