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The perimeter and the breadth of a recta...

The perimeter and the breadth of a rectangle are 60 cm and 14 cm respectively. Find its area (in `cm^2`).

A

112

B

448

C

224

D

336

Text Solution

AI Generated Solution

The correct Answer is:
To find the area of the rectangle given its perimeter and breadth, we can follow these steps: ### Step 1: Understand the formula for the perimeter of a rectangle. The perimeter \( P \) of a rectangle is given by the formula: \[ P = 2 \times (L + B) \] where \( L \) is the length and \( B \) is the breadth. ### Step 2: Substitute the known values into the perimeter formula. We know the perimeter \( P = 60 \, \text{cm} \) and the breadth \( B = 14 \, \text{cm} \). Substituting these values into the perimeter formula gives: \[ 60 = 2 \times (L + 14) \] ### Step 3: Simplify the equation to find the length \( L \). First, divide both sides of the equation by 2: \[ 30 = L + 14 \] Next, subtract 14 from both sides to isolate \( L \): \[ L = 30 - 14 = 16 \, \text{cm} \] ### Step 4: Calculate the area of the rectangle. The area \( A \) of a rectangle is calculated using the formula: \[ A = L \times B \] Substituting the values we found: \[ A = 16 \times 14 \] ### Step 5: Perform the multiplication to find the area. Calculating the area: \[ A = 16 \times 14 = 224 \, \text{cm}^2 \] ### Final Answer: The area of the rectangle is \( 224 \, \text{cm}^2 \). ---
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