9. CBQ - Squaring a rectangle

Question:

4 m.

A rectangular children's park measures $45 \ m \times 20 \ m$. During renovation, the park is redesigned into a square having the same area to make the walking path uniform.

1. The area of the rectangular park is

$900 m^{2}$
$850 m^{2}$
$950 m^{2}$
$825 m^{2}$

2. The length of the square park is

$31 m$
$30 m$
$29 m$
$28 m$

3. Which quantity remains unchanged after redesigning the park?

Area
Perimeter
Side length
Shape

4. What is this process called "Squaring a rectangle"?

The sides of the rectangle are doubled.
The perimeter becomes equal.
A rectangle is converted into an equivalent square having the same area.
The rectangle becomes larger.

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