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Answer:
total area of margin is 30 cm²
Step-by-step explanation:
length of cardboard is 8 cm
take margin 1.5 cm so that
length of picture is 8-1.5-1.5=5 cm
similar as width
new dimension of margin of A is
length 8, width 1.5
margin of C is
length 2, width 1.5
area of the margin is = area of A + area of B + area of C + area of D.
area = 12+12+3+3
= 30 cm²
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