The lengths of the sides of the rectangle are proportional to the numbers 7 and 9.
| May 4, 2021 | education
The lengths of the sides of the rectangle are proportional to the numbers 7 and 9. Find the area of this rectangle if the perimeter is 96 cm.
The area of a rectangle is equal to the product of the length of its two sides.
1. Determine what the sum of the numbers is in relation to the length of the sides of the rectangle.
7 + 9 = 16.
2. Let’s calculate how many centimeters are in one part.
96/16/2 = 6/2 = 3 centimeters.
3. What is the length of one side of the rectangle?
3 * 7 = 21 centimeters.
4. Find out the length of the other side.
3 * 9 = 27 centimeters.
5. Find the area of the rectangle.
21 * 27 = 567 cm ^ 2.
Answer: The area of a rectangle is 567 square centimeters.
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