The length of the first rectangle is 36 cm, and the length of the second rectangle is 6 cm less.
| July 29, 2021 | education
The length of the first rectangle is 36 cm, and the length of the second rectangle is 6 cm less. Both rectangles have the same area. Find the width of the second rectangle if it is known that the width of the first rectangle is 15cm.
1) Let’s find out what area the first rectangle has, if it is known that its length is 36 cm, and its width is 15 cm.
36 * 15 = 540 m².
2) Let’s find out how long the second rectangle has, if it is known that it is 6 cm less than the length of the first rectangle, and the first rectangle has a length of 36 cm.
36 – 6 = 30 cm.
3) Find out what width the second rectangle has, if it is known that its area is 540 m², its length is 30 cm.
540/30 = 18 cm.
Answer: The width of the second rectangle is 18 cm.
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