If a² + b² = 100 and a = 6 then b equals?
- 8
- 6
- 4
- None of these
Explanation
Given:
a² + b² = 100
a = 6
Step 1: Put a = 6 in the equation
6² + b² = 100
36 + b² = 100
Step 2: Solve for b²
b² = 100 - 36
b² = 64
Step 3: Take square root
b = ±√64
b = ±8
So b = 8 or b = -8
Last verified on 23-05-2026
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