Question

Sarah paints on a cardboard 25 cm long and 14 cm wide such that there is a margin of 2.5 cm along each of its sides. Find the total area of the margin



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Answer 1

Answer:

A = 170 cm²

Explanation:

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Answer 2

Answer:

We know that,

The area of a rectangle of length and breadth is .

Therefore,

Area of the cardboard .

Length of the cardboard including the margin .

Breadth of the cardboard including the margin .

Area of the room cardboard including the margin .

This implies,

Area of the margin Area of the cardboard including the margin Area of the cardboard excluding margin

The total area of the margin is 103.75

Explanation:

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