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Exemplo 5.79 de Prealgebra, 5.7 Simplify and Use Square Roots
Problema e solução em inglês, como no livro original.
Mike and Lychelle want to make a square patio. They have enough concrete for an area of square feet. To the nearest tenth of a foot, how long can a side of their square patio be?
Resolva no papel primeiro. Depois abra a solução um passo de cada vez e pare assim que conseguir terminar sozinho.
We know the area of the square is square feet and want to find the length of the side. If the area of the square is square units, the length of a side is units.
| What are you asked to find? | The length of each side of a square patio |
| Write a phrase. | The length of a side |
| Translate to an expression. | |
| Evaluate when . | |
| Use your calculator. | |
| Round to one decimal place. | |
| Write a sentence. | Each side of the patio should be feet. |
O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.
Katie wants to plant a square lawn in her front yard. She has enough sod to cover an area of square feet. To the nearest tenth of a foot, how long can a side of her square lawn be?
Como foi?