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butalik [34]
3 years ago
12

AB has endpoints at (-1, -1) and (-2, -4). Its transformation A'B' has endpoints at (-2, -2) and (-4, -8). What type of transfor

mation occurred? Are lengths of segments affected by this type of transformation? Justify.
A) rotation; no; The lengths of the two segments are the same.
B) reflection; yes; The length of segment A'B' is longer than the original segment AB.
C) dilation by a scale factor of 2; yes; The length of segment A'B' is longer than the original segment AB.
D) dilation by a scale factor of
1
2
; The length of segment A'B' is shorter than the original segment AB.
Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0

Answer:

c

Step-by-step explanation:

the length of segment A'B' is longer than the original segment AB

lorasvet [3.4K]3 years ago
6 0
C: Dilation because that is the only one that can increase the size of the figure. 
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Answer:

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Step-by-step explanation:

Given:

Jenny uses a roller to paint a wall. The roller has a radius of 1.75 inches and a height of 10 inches.

Now, to find the area of the wall that she will paint in two rolls.

So, we find the lateral surface area of roller.

Radius (r) = 1.75 inches.

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So, to get the lateral surface area we put formula:

A_{L} =2\pi rh

A_L=2\times 3.14\times 1.75\times 10

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Thus, the lateral surface area of the roller = 109.9 inches².

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109.9\times 2\\\\=219.8\ inches^2.

Therefore, the area of the wall that she will paint in two rolls is 219.8 inches².

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