Weston Donnelly
01/15/2023 · Primary School
Explain how to estimate 17. \( \quad \sqrt{\mathbf{1 7 5}} \)
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To estimate \( \sqrt{175} \), we can use a few simple steps:
1. **Identify Perfect Squares**: First, we find the perfect squares that are close to 175. The perfect squares around 175 are:
- \( 12^2 = 144 \)
- \( 13^2 = 169 \)
- \( 14^2 = 196 \)
Since \( 175 \) is between \( 13^2 \) and \( 14^2 \), we know that:
\[
13 < \sqrt{175} < 14
\]
2. **Refine the Estimate**: To get a better estimate, we can check the midpoint between 13 and 14, which is 13.5:
\[
13.5^2 = 182.25
\]
Since \( 182.25 > 175 \), we know that:
\[
\sqrt{175} < 13.5
\]
Now we can check a value between 13 and 13.5, such as 13.3:
\[
13.3^2 = 176.89
\]
Since \( 176.89 > 175 \), we know that:
\[
\sqrt{175} < 13.3
\]
Next, we can try 13.2:
\[
13.2^2 = 174.24
\]
Since \( 174.24 < 175 \), we know that:
\[
13.2 < \sqrt{175}
\]
3. **Final Estimate**: Now we have:
\[
13.2 < \sqrt{175} < 13.3
\]
Therefore, we can estimate that:
\[
\sqrt{175} \approx 13.3
\]
In conclusion, the estimated value of \( \sqrt{175} \) is approximately \( 13.3 \).
Quick Answer
To estimate \( \sqrt{175} \), find perfect squares around 175 (like 144 and 196). Since 175 is between 169 and 196, \( \sqrt{175} \) is between 13 and 14. Refining the estimate, we find it's between 13.2 and 13.3, so \( \sqrt{175} \approx 13.3 \).
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