Given that x 2 + y 2 + z 2 = 194, calculate z if
MATHEMATICS
JAMB 1990
Given that x2 + y2 + z2 = 194, calculate z if x = 7 and \(\sqrt{y}\) = 3
- A. \(\sqrt{10}\)
- B. 8
- C. 12.2
- D. 13.4
Correct Answer: B. 8
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