The perimeter of a rectangle is 154dm, one of its sides 43dm. find the adjacent side and rectangle area.
| June 20, 2021 | education
1. Find the adjacent side of the rectangle by dividing by 2 the difference between its perimeter and the doubled value of the known side:
Side = (154 – 2 * 43) / 2 = 68/2 = 34 dm.
2. Find the product of the adjacent sides of the rectangle, get its area:
Area = 34 * 43 = 1462 dm2.
Answer: the adjacent side of the rectangle is 34 dm2, and its area is 1462 dm2.
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