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Dennis_Churaev [7]
2 years ago
11

Which of the following figures is a pair of lines that are perpendicular? ​

Mathematics
2 answers:
inysia [295]2 years ago
8 0

Answer:

4.) D

Step-by-step explanation:

A ( I'm not sure how to explain A )

B is an acute angle

C is a parallel line

D is a perpendicular line

I hope this helps!

postnew [5]2 years ago
3 0

Answer:

D is the correct answer.

Step-by-step explanation:

The lines are perpendicular as they go thiugh eachother at the center.

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Answer: V = 706.5 cubic millimeters

Step-by-step explanation:

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What is x given triangleABC ~triangleDBE?
denis-greek [22]

x = 37.5 (or) \frac{75}{2}

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Given \triangle A B C \sim \triangle D B E.

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If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{AC}{DE}=\frac{B C}{B E}

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Do cross multiplication, we get

50x=30(25+x)

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Subtract 30x from both sides of the equation.

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Divide by 20 on both sides of the equation, we get

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7•7=49
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Now let’s find the square root of 98. I usually go to the hundredths place since I know 98 doesn’t have a perfect square.
9.9•9.9= 98.01 (the hundredths place rounded to that)
So the length of the square’s diagonal is about 9.9 inches.
7 0
3 years ago
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