Which pairs of angles are congruent because they are vertical angles? Check all that apply

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.