Question

a painting 40 cm long and 28cm wide is painted on a cardboard such that there is a margin of 2m along each of its sides .find the total area of margin

Answer 1

length of painting is 40 cm
breadth of painting is 28cm
area of painting is 40×28 =1120cm square
margin is drawn on every side of 2 cm
New length =40+2+2=44
New breadth =28+2+2=32
area = 44×32=1408cm square
area of border = 1408-1120=228cm square

Answer 2

hope it helps you.................