Question

A book is 6 inches wide and 9 inches tall. A rectangle is shown. The length of the rectangle is labeled 6 inches. The width of the rectangle is labeled 9 inches. A publisher wants to use a scale factor of 1.5 to enlarge a book. What will the area of the front of the book be after the book is enlarged? 54 in2 81 in2 121.5 in2 78.75 in2

Answer 1

 The first step is to enlarge 6 inches.   6 inches enlarged by 1.5 = 9 inches
 Then 9 inches.                                  9 inches enlarged by 1.5 = 13.5 inches


 Next, you multiply to find the area.    area = 9 × 13 = 121.5 square inches

Hope this helps!! <3

Answer 2

The area of the front of the book be after the book is enlarged is 121.5 inches.

Given the following data:

• Length of rectangle = 9 inches

• Width of rectangular field = 6 inches

• Scale factor = 1.5

To calculate the area of the front of the book be after the book is enlarged:

First of all, we would determine the new dimensions (length and width) of the book after it is enlarged.

$New \;length = 1.5 \times 9$

New length = 13.5 inches.

$New \;width = 1.5 \times 6$

New width = 9 inches.

Formula for the area of a rectangle.

Mathematically, the area of a rectangle is given by the formula;

$A=LW$

Where:

• A is the area of a rectangle.

• L is the length of a rectangle.

• W is the width of a rectangle.

Substituting the parameters into the formula, we have;

$A = 13.5 \times 9$

A = 121.5 inches.

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