The perimeter of a square is 64 dm. Find the area of a rectangle with the same perimeter if its width is 12 dm.
| September 18, 2021 | education
P = 2a + 2b;
2a = 64 – 2b;
2a = 64 – 24 = 40 => a = 20 dm;
S = 20 * 12 = 240 dm2;
Answer: 240 decimeters 2.
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