If a² + b² = 200 and a = 10 then b equals?
- 12
- 10
- 8
- None of these
Explanation
If a = 10, then put it in the equation:
a² + b² = 200
10² + b² = 200
100 + b² = 200
Subtract 100 from both sides:
b² = 200 - 100
b² = 100
So b = 10.
Last verified on 25-05-2026
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