A square has a side length of 36 feet. this square is dilated by a scale factor of 2/3 to create a new square. what is the side length of the new square?

Question

asked Jan 11, 2018 211k views

2 Answers

SBB · Answer 1 · 2018-01-15T06:40:40+0000

Answer:

the side length of the new square is, 24 feet

Explanation:

Scale factor(k) is defined as the ratio of the dilated image to the Pre-image.

⇒
$k = \frac{\text{Dilated image}}{\text{Pre-image}}$

As per the statement:

A square has a side length of 36 feet. this square is dilated by a scale factor of 2/3

⇒Side length of the Pre-image square = 36 feet and k = 2/3

By definition we have;

$(2)/(3) = \frac{\text{New side length of the dilated image of square}}{36}$

Multiply both sides by 36 we have;

$(2)/(3) \cdot 36=\text{New side length of the dilated image of square}$

Simplify:

$\text{New side length of the dilated image of square} = 24$ feet

therefore, the side length of the new square is, 24 feet