Question

If two lines AB, CD are perpendicular to the same line EF then AB and CD are​

Answer 1

Step-by-step explanation:

ANSWER

Let BD= a and DF=b.

In △ABF, CD∥AB

ABCD=BFDF i.e.,

xz=a+bb....(I)

And, in ΔBEF, CD  is parallel to EF

⇒EFCD=BFBD i.e.

yz=a+ba...(II)

Adding I and II

∴xz+yz=a+bb+a+ba=1

⇒x1+y1=z1

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Answer 2

Answer:

perpendicular lines

Step-by-step explanation:

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