Question

A poster is shown below:

A rectangle is shown. The length of the rectangle is labeled 18 inches. The width of the rectangle is labeled 6 inches.

What are the dimensions if the poster is enlarged by a factor of seven over two ?

42 in by 126 in
3 in by 9 in
9 in by 12 in
21 in by 63 in

Answer 1

63x21. The rectangles length is 63 inches and its width is 21 inches
 
because 7/2 is 3.5 so multiply both numbers by 3.5 and you get 63 and 21

Answer 2

If the rectangular poster is enlarged by the scale factor of 7/2, the new dimensions will be: D. 21 in by 63 in

How to Determine the New Dimensions of a Shape after Enlargement

To get the new dimensions of a shape under enlargement, multiply each dimension by the given scale factor.

Given the dimensions of a rectangular poster as:

• Length = 18 inches
• Width = 6 inches

New Dimensions of the poster:

• Length = 18 × 7/2 = 63 inches
• Width = 6 × 7/2 = 21 inches

Therefore, if the rectangular poster is enlarged by the scale factor of 7/2, the new dimensions will be: D. 21 in by 63 in

Learn more about enlargement on:

https://brainly.com/question/11614983