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प्रश्न
उत्तर
Slope of line PQ = `("y"_2 - "y"_1)/("x"_2 - "x"_1)`
= `(-5 -7)/(7 + 5) = -1`
Also, slope of line AB = tan θ
tan θ = -1
tan θ = tan (90° + 45°)
θ = 135°
Inclination = 135°
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संबंधित प्रश्न
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