A) 5.214
B) 4.216
C) 4.214
D) 5.216
Correct Answer: B
Solution :
(b) \[\sqrt{\frac{800}{45}}=\sqrt{\frac{2\times 400}{9\times 5}}=\frac{\sqrt{2}}{\sqrt{5}}\times \frac{20}{3}\] \[=\frac{1.414}{1.732}\times \frac{20}{3}=4.216\]You need to login to perform this action.
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