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Are l1 and l2 parallel?

This topic has 1 expert reply and 0 member replies

Are l1 and l2 parallel?

Post Wed Sep 20, 2017 4:08 am
Are l1 and l2 parallel?

(1) l1 intersects l3 at a 45° angle.

(2) l3 intersects l2 at a 45° angle.


What's the best way to determine whether statement 1 is sufficient?

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Top Reply
Post Wed Sep 20, 2017 10:51 pm
ardz24 wrote:
Are l1 and l2 parallel?

(1) l1 intersects l3 at a 45° angle.
(2) l3 intersects l2 at a 45° angle.

What's the best way to determine whether statement 1 is sufficient?
Statement 1: L1 intersects L3 at a 45° angle.

It does not provide any information about L2. Insufficient.

Statement 2: L3 intersects L2 at a 45° angle.

Does not provide any information about L1. Insufficient.

Statement 1 & 2:

Refer to the image; L1 and L2 can be either perpendicular or parallel.

ttps://postimg.org/image/c478wsist/" target="_blank">

No unique answer.

The correct answer: E

Hope this helps!

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