Please help, thank you so much if you do! Your mission is to dilate the rectangle shown below by a scale factor of 8, due to working off a 1/8th model.
(a) Calculate the length of each side of the dilated image you’ve created, and make certain to include your work below. You’ll need this for Part B.
(b) Draw the new image, label it , and put the measurements you calculated in Part A on your new figure with the appropriate units.

T_T

Step-by-step explanation:

:D ^-^

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

source: