769.3= (3.14) r^2 *5
153.86=(3.14) r^2
49= r^2
The square root of 49 is 7
The answer is 7.
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I think its the first option maybe im not sure
Answer:
I think 318
Step-by-step explanation:
Answer:
1. rational
2. irrational
3. rational
4. rational. square root of 9 is 3. negative sign implies -1. answer would -3
5. rational
Step-by-step explanation:
pi & square roots of non-perfect squares are irrational numbers
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