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Sauron [17]
3 years ago
12

If 8=10 and 1=7, which describes all the lines that must be parallel?

Mathematics
2 answers:
77julia77 [94]3 years ago
6 0

Answer: Lines r and s and lines t and u must be parallel.

Step-by-step explanation:

If \angle{8}\cong\angle{10} which are alternate interior angle corresponding to line t and u.

then by Alternate interior angle property :

Lines t and u must be parallel.

If \angle{1}\cong\angle{7} which are alternate exterior angle corresponding to line r and us.

then by Alternate exterior angle property :

Lines r and s must be parallel.

Hence, Lines r and s and lines t and u must be parallel.

Black_prince [1.1K]3 years ago
5 0
I'm not sure. But i think the answer is C
You can see that none of the lines are about to/ are intersecting 
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8 0
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Step-by-step explanation:


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2 years ago
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A line passes through the points (2,4) and (5,6) .
Alenkinab [10]

Answer:

Option B and D are correct.

Step-by-step explanation:

Given: A line passes through the points (2,4) and (5,6).

* Case 1:

If a line passes through the points (2, 4) and (5, 6)

Point slope intercept form:

for any two points (x_1,y_1) and (x_2, y_2)

then the general form y -y_1=m(x-x_1) for linear equations where m is the slope given by:

m =\frac{y_2-y_1}{x_2-x_1}

First calculate slope for the points (2, 4) and (5, 6);

m = \frac{y_2-y_1}{x_2-x_1} =\frac{6-4}{5-2} = \frac{2}{3}

then, by point slope intercept form;

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* Case 2:

If a line passes through the points (5, 6) and (2, 4)

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then, by point slope intercept form;

y-6=\frac{2}{3}(x-5)

Yes, the only equation of line from the given options  which describes the given line are;

y-4=\frac{2}{3}(x-2)  and y-6=\frac{2}{3}(x-5)



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Answer:

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Step-by-step explanation:

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