Find the area of a rectangle if the sum of its length and width is 13 inches and the length is 8 inches.
| January 9, 2021 | education
Let’s solve this task by actions with explanations:
1) 13 – 8 = 5 decimeters – the width of the rectangle, since the sum of its length and width is 13 decimeters, and the length is 8 decimeters;
2) 8 * 5 = 40 square decimeters – the area of a rectangle with a length of 8 decimeters and a width of 5 decimeters.
Answer: 40 square decimeters.
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