# 4.4.2. Area

Given that a square-shaped hall having a side length of

- A
- B
- C
- D

### Example

Given that a square-shaped hall having a side length of

### Solution

Step 1: Find the area of the hall floor.

Use the formula for the area of a square.

Step 2: Find the area of the carpet.

Use the formula for the area of a square.

Step 3: Find the area of the uncovered part of the floor.

Subtract the area of the carpet from the area of the hall floor.