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प्रश्न
In right-angled triangle ABC; ∠B = 90°. Find the magnitude of angle A, if:
BC is `sqrt(3)` times of AB.
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उत्तर
Consider the figure
Again from the figure
`"BC"/"AB" = (sqrt3x)/x`
tan θ = `sqrt(3)`
tan θ = tan 60°
θ = 60°
Therefore, magnitude of angle A is 60°.
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