XI. Long answer type questions. 18. The perimeter of the given figure is 18 m and the area of rectangular part \( A C E F \) is \( 8 \frac{1}{2} \mathrm{sq} . \mathrm{m} \). Find the length and breadth of the rectangular part.
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We know that the perimeter of a rectangle is the sum of all its sides. In this case, the perimeter is given as 18 m. So, we can write the equation: 2(length + breadth) = 18 Show more…
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