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kicyunya [14]
3 years ago
13

Given the points A(0, 0), B(e, f), C(0, e) and D(f, 0), determine if line segments AB and CD are parallel, perpendicular or neit

her.
Mathematics
1 answer:
Virty [35]3 years ago
5 0

Answer:

Perpendicular

Step-by-step explanation:

Calculate the slopes m of the segments using the slope formula.

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

Parallel lines have equal slopes

The product of the slopes of perpendicular lines equals - 1

(x₁, y₁ ) = A(0, 0) and (x₂, y₂ ) = B(e, f)

m_{AB} = \frac{f-0}{e-0} = \frac{f}{e}

Repeat with (x₁, y₁ ) = C(0, e) and (x₂, y₂ ) = D(f, 0)

m_{CD} = \frac{0-e}{f-0} = - \frac{e}{f}

Thus AB and CD are perpendicular since \frac{f}{e} × - \frac{e}{f} = - 1

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