The length of the rectangle is 32 cm. How many square centimeters the area of the rectangle

The length of the rectangle is 32 cm. How many square centimeters the area of the rectangle has decreased. if its width is reduced by 5cm.

1. It is known that the area of a rectangle is equal to the product of its length and width.

2. Let’s denote the width of the first rectangle by X cm.

H. Let’s write an expression for finding the area of a rectangle.

32 cm * X cm.

4. Let’s write an expression for the area of a rectangle if its width is reduced by 5 cm.

32 cm * (X – 5) cm.

5. Let’s compare how much the area will decrease.

32 cm * X cm – 32 cm * (X cm – 5 cm) = 32 cm * X cm – 32 cm * X cm + 32 cm * 5 cm =

32 cm * 5 cm = 160 cm ^ 2.

Answer: The area of the rectangle will decrease by 160 cm ^ 2.



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