The blackboard of Akshit's classroom has length 6m and its width is 5m. I

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The blackboard of Akshit's classroom has length 6m and its width is 5m. If it has to be framed by a steel plate at the borders, then what will be the length of steel plate required? [3 MARKS]

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Answer: Option A
:

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Formula: 1 Mark
Answer: 1 Mark
The perimeter of the blackboard = Length of the steel plate required.
Perimeter of a rectangle $= 2 \times (L + B)$ .
Length of steel plate
= $2 \times (6 + 5) = 2 \times 11 = 22 m$

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