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Inessa [10]
3 years ago
10

A has the coordinates (–4, 3) and B has the coordinates (4, 4). If DO,1/2(x, y) is a dilation of △ABC, what is true about the im

age △A'B'C'? Check all that apply. AB is parallel to A'B'. DO,1/2(x, y) =
The distance from A' to the origin is half the distance from A to the origin.
The vertices of the image are farther from the origin than those of the  pre-image.A'B' is greater than AB.

Mathematics
2 answers:
loris [4]3 years ago
8 0

Answer:

Coordinates of Vertices of triangle ABC are A (-4,3) , B(4,4) and C(1,1).

As, DO is Dilation of Δ ABC by Scale factor of \frac{1}{2}.

Vertices of A' B'C' are

A'=(\frac{-4}{2},\frac{3}{2})=(-2,\frac{3}{2}), B'=(\frac{4}{2},\frac{4}{2})=(2,2), C'=(\frac{1}{2},\frac{1}{2})

So, Image Δ A'B'C' will be smaller than the Pre image Δ ABC.

The two triangles will be congruent.

AO is Dilated by a factor of half , so A'O' will be half of AO.

So, correct Statements are

1. AB is parallel to A'B'.

2.DO,1/2(x, y) =  

The distance from A' to the origin is half the distance from A to the origin.

OA=\sqrt{(-4)^2+3^2}=\sqrt{25}=5\\\\ O'A'=\sqrt{2^2+(\frac{3}{2})^2}=\frac{5}{2}=2.5

GenaCL600 [577]3 years ago
5 0
The correct answers are the first three options

<span>1. AB is parallel to A'B'.</span><span>2. DO,1/2(x, y) = </span><span>3. The distance from A' to the origin is half the distance from A to the origin</span>
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