The perimeter of the square is 32 cm; the area of the rectangle is 10 times the area of this square. What is the area of the rectangle?
1). Let X be the length of the side of the square.
2). Based on the condition of the problem, we write the equation:
2 (X + X) = 32;
4 X = 32;
X = 8 cm;
3). The area of the square is:
8 * 8 = 64 cm ^ 2;
4). The area of the rectangle is:
64 * 10 = 640 cm ^ 2;
Answer: The area of the rectangle is 640 cm ^ 2.
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