Pls help me!!! ( pls dont answer if you don’t have the answer I will report you ...).
2 answers:
I think 517.26
I did 10 times 3^2 (9) it equals 90. Then 90 times 3.14 and got 282.74. Then did 800- 282.74 and got 517.26
Answer:
2.05 cm
Step-by-step explanation:
3.14× (n+3)²×10 = 800
31.4(n+3)²=800
(n+3)²= 800/31.4
(n+3)²= 25.48
n+3 =√25.48
n+3= 5.05
n = 5.05 -3 = 2.05
so, the radius should be increased :
2.05 cm
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