One side of the rectangle is 11 dm 4 cm, the other side is 3 times shorter, the perimeter of the rectangle is calculated.
| January 30, 2021 | education
One side of the rectangle is 11 * 10 + 4 = 114 cm, and the other is 114/3 = 38 cm;
The perimeter is equal to the sum of all sides 114 * 2 + 38 * 2 = 228 + 76 = 304 cm;
You can solve in another way:
(114 + 114/3) * 2 = 8/3 * 114 = 304 cm;
Answer: The perimeter is 304 cm.
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