Question

Help me plz quick only 5 mins​

Answer 1

line B'C' = 1

m<C'D'A' = 90 degrees (it is still a rectangle)

Explanation:

Dilation of coordinates:

Original: d:(3,2), a:(3,4), b:(7,4), c:(7,2)

Divide all numbers by 2.

Altered: d:(1.5,1), a:(1.5,2), b:(3.5,2), c:(3.5,1)