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Length and breadth of a rectangular tabl...

Length and breadth of a rectangular table-top are 36 cm and 24 cm respectively. Find its perimeter

A

160 cm

B

120 cm

C

140 cm

D

180 cm

Text Solution

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The correct Answer is:
To find the perimeter of a rectangular table-top with given dimensions, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the dimensions**: - Length (l) = 36 cm - Breadth (b) = 24 cm 2. **Recall the formula for the perimeter of a rectangle**: - The formula for the perimeter (P) of a rectangle is: \[ P = 2 \times (l + b) \] 3. **Substitute the values into the formula**: - Substitute the length and breadth into the formula: \[ P = 2 \times (36 \, \text{cm} + 24 \, \text{cm}) \] 4. **Calculate the sum of length and breadth**: - First, calculate \(36 \, \text{cm} + 24 \, \text{cm}\): \[ 36 + 24 = 60 \, \text{cm} \] 5. **Multiply by 2**: - Now, multiply the sum by 2: \[ P = 2 \times 60 \, \text{cm} = 120 \, \text{cm} \] 6. **State the final answer**: - The perimeter of the rectangular table-top is: \[ \text{Perimeter} = 120 \, \text{cm} \]
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