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Dahasolnce [82]
3 years ago
13

If line segments A and B are parallel, which of the following pairs of angles are not equal?

Mathematics
2 answers:
pantera1 [17]3 years ago
6 0

Answer:

\huge\boxed{C}

Step-by-step explanation:

Hi there!

A) m\angle11, m\angle7

B) m\angle1, m\angle3

C) m\angle6, m\angle2

D) m\angle3, m\angle6

We need to find which pairs are not equal.

We know that lines a and b are parallel. This means that line c is a transversal, and same with line d.

Let's start with A).

Are m\angle11 and m\angle7 equal?

Yes. This is true because when c is a transversal, angles 11 and 7 are alternate interior angles, meaning they're congruent, or equal. This is not the correct nswer choice as these angles are equal.

Are m\angle1 and m\angle3 equal?

Yes. When d is a transversal, angles 1 and 3 are called corresponding angles, which are always equal. Corresponding angles have 1 angle in between them.

Are m\angle6 and m\angle2 equal?

No. There is no reason that we can use to prove that m\angle6 and m\angle2 are equal. This means that C is the correct answer.

Are m\angle3 and m\angle6 equal?

Yes. m\angle3 and m\angle6  are called vertical angles. They share one vertice, or angle. Vertical angles are always congruent.

The correct answer is:

\huge\boxed{C}

Hope this helps :)

Let me know if you have any questions!

anyanavicka [17]3 years ago
4 0

Answer:

C: ∠6 and ∠2

Step-by-step explanation:

Step 1:

∠6 = ∠9        S.S. Int. ∠'s      (Same Side Interior ∠'s)

Step 2:

∠9 + ∠2 = 180°        Sum of line

Step 3:

∠9 ≠ ∠2

Answer:

C: ∠6 and ∠2

Hope This Helps :)

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