9. Dan built a square patio with an area of 80 square feet. Estimate the length of each side of the patio to the nearest tenth.

Anudeep asked Jan 11, 2022

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Anudeep asked Jan 11, 2022

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9 votes

Answer:

8.9

Explanation:

64<80<81

√64<√80<√81

8<√80<9

Now evaluate (8.8)² = 77 and 11/25

hence the next decimal place must be greater than eight. Hence 8.9 is an estimate to the nearest tenth.

Amos Godwin answered Jan 17, 2022

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