The width of the rectangle is 5cm, length is 9cm. The length was increased by 2 cm. By how many
| December 5, 2020 | education
The width of the rectangle is 5cm, length is 9cm. The length was increased by 2 cm. By how many centimeters the perimeter of the rectangle increased.
Perimeter before length change:
5 * 9 = 45 cm.
Perimeter after length change:
5 * 11 = 55 cm.
Then we get:
55-49 = 6 (cm) – and there is a change in the perimeter of the rectangle.
Answer: 6 cm.
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