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Chapter 2: Q53. (page 80)

If the length of the rectangle is 28m and width of the rectangle is 17m. What is the perimeter of the new rectangle ABCD if each dimension is doubled?

Short Answer

Expert verified

The perimeter of the new rectangle is 180  m.

Step by step solution

01

Step 1. Given information.

Length of the rectangle = 28m,

Width of the rectangle = 17m

02

Step 2. Write the formula.

The perimeter of a rectangle is given by the following formula:

P=2l+w

Here l and w be the length and width of the rectangle respectively.

03

Step 3. Write new dimensions.

If the dimension of the rectangle is doubled.

Then,

Length of new rectangle = 56m,

Width of new rectangle = 34m

04

Step 4. Find the perimeter.

The perimeter of the new rectangle is given by,

P=256+34=290=180  m

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