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n200080 [17]
3 years ago
5

Marlene noticed that when a pair of parallel lines was cut by a transversal, two particular vertical angles were reflections of

each other. What can she conclude from this observation?
A. the measures of the angles must be equal.

B.the angles must be complementary.

C.the angles must be supplementary.

D.the measures of the angles must add to 360°.

Mathematics
2 answers:
Serjik [45]3 years ago
5 0

Answer:

<h2>A. the measures of the angles must be equal.</h2>

Step-by-step explanation:

She can conclude that the measure of the angles must be equal, because vertical angles are angles opposite each other when to lines cross, the only thing they have in common is the vertex, when this happens that pair of angles are congruent.

An image is attached to show an example of vertical angles, which are always congruent.

Trava [24]3 years ago
3 0
A.the measures of the angles must be equal
Vertical Angles- are the angles opposite of each other when two lines cross. They are always equal.
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Ad libitum [116K]

Answer:

1/3 is the answer.

Step-by-step explanation:

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To solve this we can do the following:

The probability that the 1st letter is in the right envelope is = \frac{1}{4}

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The probability that the 3rd letter is in the wrong envelope is = \frac{1}{2}

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So, the answer becomes: \frac{1}{4}\times \frac{2}{3}\times \frac{1}{2}\times1 = \frac{1}{12}

As we need 4 correct letters in the envelope, we will multiply by 4:

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3 years ago
Determine if the two triangle are congruent. If they are, state how?​
Murrr4er [49]

Answer:

The triangles are congruent by SAS.

Step-by-step explanation:

The triangle have two congruent sides because it is given. The congruent angle is the angle at which they connect, these two angles are congruent because they are vertical angles.

5 0
3 years ago
On a blueprint, the scale indicates that 8 cm represent 16 feet. What is the length of a room that is 8.8 cm long and 3 cm wide
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For the answer to the question above asking wWhat is the length of a room that is 8.8 cm long and 3 cm wide on the blueprint if <span>a blueprint, the scale indicates that 8 cm represent 16 feet?
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8cm=16ft
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Here's the second one,
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