picture is painted cardboard 50cm long 30cm wide there is a margin 2.5cm along each side .find the total area of margin, class 7 solve measurements
1 answer
HINT: First find the area with margin, i.e., add the margin measurement to the length and breadth and find the area. Then find the area without the margin (area with the given measurements WITHOUT any additions). Subtract the second area from the first, and you should get your answer.