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Aneli [31]
3 years ago
11

Lines m and n are parallel, as shown in the diagram below. What are the measures of angles A and B? Hint: The sum of all interio

r angles of a triangle must equal 180 degrees.

Mathematics
2 answers:
sveticcg [70]3 years ago
8 0

Answer:

A = 55

B = 60

Step-by-step explanation:

We know that 55+ b+ other angle = 180 since they make a straight line

The other angle = 65 since they are alternate interior angles

55+ B+ 65 = 180

Combine like terms

120 + B = 180

B = 60

A + B + 65 = 180 interior angles of a triangle must equal 180 degrees

A +60+ 65 =180  

Combine like terms

A +125 = 180

A = 55

mel-nik [20]3 years ago
4 0

Answer:

\boxed{A = 55\°}

\boxed{B = 60\°}

Step-by-step explanation:

Exterior Angle with A = 180 - 55 = 125 degrees  (Angles on a straight line)

The measure of exterior angle is equal to the sum of non-adjacent interior angles.

So,

125° = B + 65°

B = 125 - 65

B = 60°

Now,

A = 180 - 60 - 65     (Interior angles of a triangle add up to 180 degrees)

A = 55°

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The answer is C. -4n⁴+3n.


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According to the graph, what is the factorization of x² - 5x+6?
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Answer:

The values of a and b are 33 and \frac{20\sqrt{3}}{3}, respectively.

Step-by-step explanation:

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By definition of the perfect square trinomial:

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