a picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a margin of 1.5 CM along each of its sides find the total area of the margin
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Answer:
card Bord long =8cm
and wide=5,
area of rectangle=l multiple by b
8 multiple by 5=40
from 8-1.5-1.5=5and from5-1.5-1.5=2
5 multiple 2=10
so, 40-10=30cm
so, 30cm is total area of msrgin
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