Triangles and Their Side Lengths

Question 1

Given the dilation rule DO,1/3 (x, y) → and the image S'T'U'V', what are the coordinates of vertex V of the pre-image?

Revolt · Accepted Answer

(0, 3)

Question 2

The vertex A' of the image is .

Revolt · Accepted Answer

(–8, 4)

Question 3

The length, L'M', is .

Revolt · Accepted Answer

2

Question 4

The dilation DO,3 (x, y) → (3x, 3y) is performed on the pre-image △ABC to make a similar triangle. Which statements are true? Check all that apply.

Revolt · Accepted Answer

∠A corresponds to ∠A'.; ∠A'AC' corresponds to ∠B.; CB corresponds to C'A.; △ABC ~ △A'AC'.

Question 5

The distance in the x-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s).

Revolt · Accepted Answer

3

Question 6

The distance in the y-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s).

Revolt · Accepted Answer

1

Triangles and Their Side Lengths Answers