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A picture is painted on a card 8 cm long and 5 cm wide, leaving a margin of 1.5 cm along each side. Find the total area of the margin.

Class 7Area of Paths and BordersPerimeter and Area

A $30 cm^{2}$
B $39 cm^{2}$
C $10 cm^{2}$
D $25 cm^{2}$

Step-by-Step Solution

Picture:

(8 - 3) \times (5 - 3) = 5 \times 2 = 10 cm^{2}

. Card =

40 cm^{2}

. Margin

= 40 - 10 = 30 cm^{2}

.

Answer: A)

30 cm^{2}

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