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brilliants [131]
2 years ago
13

Triangle ABC is similar to triangle DEO , AB=1/4DE , then the perimeter of triangle ABC equals ............... the perimeter of

DEO
a)4
b)2
c)1/2
d)1/4
Mathematics
1 answer:
Zepler [3.9K]2 years ago
5 0
Your answer is because your answer is a
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A rectangular solid has a base with length 2 centimeters and a width of 8 centimeters. If the volume of the solid is 160 centime
Whitepunk [10]
10 centimeters it is 160/8=20/2=10
8 0
3 years ago
I think its identity but I'm not sure
victus00 [196]

Answer: C, you are correct

Step-by-step explanation:

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the coordinates of the vertices of a polygon are (2,4) (6,4) (6,0) and (2,0). The polygon is dilated with a scale factor of 3/2
svlad2 [7]
Take the first point (2, 4)  a scale factor of 3/2 will move the x coordinate 2 to 2*3/2  = 3 and the y coordinate 4 will  be moved to 4*3/2 = 6.
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Two lines, A and B, are represented by the following equations:
ch4aika [34]
Line A: 2x+2y=8     ⇒2y=-2x+8  ⇒ y=-x+4
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8 0
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Read 2 more answers
A rectangles width is one-fourth of its length . its area is 9 square units
Paha777 [63]

Answer:

Length = 6

Width = 3/2

Step-by-step explanation:

You can choose to go about this question in lots of different ways, but this is how i did it. I drew a diagram of the rectangle and labeled it: the height/length as x and the width as x/4 (they told us the width is a quarter of the length). They also told us that the area is 9 square units.

We know that length x width = area

So: length x width = 9

I'm gonna bring in the variables i used in the diagram, so:

x x \frac{x}{4} = 9

Keep solving:

\frac{x^{2} }{4}= 9

Times both sides by 4:

x^{2} = 36

Square root both sides for x:

<em>* remember that when you square root, its possible to have a positive or negative version of the value</em>

x = ±6

Since its impossible to have a negative length, we can say that x = 6.

X was just the variable we gave to the length of the rectangle, so now we know the length is 6. If you needed to find width as well, you can do 6/4, which simplifies to 3/2.

To double-check

- 6 x 3/2 should equal 9, since length x width = area

which it is, so we're correct!

Hope that helped : )

4 0
3 years ago
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