One side of the rectangle is 9 cm and the other is 5 cm less. Find the area of the rectangle.

Given:

a = 9 cm;

b = 5 cm less;

S =? cm².

Calculate the side of the rectangle b:

b = 9 – 5 = 4 (cm)

The area of a rectangle is equal to the product of its sides and is calculated by the formula: S = a * b.

1) S = 9 * 4 = 36 (cm²).

Answer: 36 cm² area of a rectangle.



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