The perimeter of the rectangle is 22cm. the length of one side is 6cm. the area of such a rectangle is?
| December 28, 2020 | education
1). Let’s take the width of the rectangle as X.
2). Based on the condition of the problem, we will compose the equation:
2 (X + 6) = 22;
2 X + 12 = 22;
2 X = 22 – 12;
2 X = 10;
X = 5 cm;
3). The area of the rectangle will be:
5 * 6 = 30 cm ^ 2;
Answer: The area of the rectangle will be 30 cm ^ 2
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