Question

c) A photograph of length 20cm and breadth 16cm is pasted on a piece of
cardboard 24cm long and 20cm broad. Find the area of the margin left
around the photograph.
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Answer 1

Answer:

area og rectangle is by formula lengh *breath

Answer 2

Answer:

area of photograph=20*16=320

cardboard=24*20=480

area of cardboard-area of photograph =margin

margin=480-320=160