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Mr. Cayetano plans to install a new exhaust fan on his room's square-shaped wall . he asked a carpenter to make a square opening on the wall where the exhaust fan will be installed . the square opening must have an area of 0.25 m squared.

1. draw a diagram to illustrate the given situation.

2. how are you going to represent the length of a side of the squared-shaped wall ? how about it's area?

3. suppose the area of the remaining part of the wall after the carpenter has made the square opening is 6 m squared. what equation would describe the area of the remaining part of the wall?

4. how will you find the length of the side of the wall?

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