Question

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Question
Triangle EFG is rotated 90° clockwise about the origin to create triangle E'F'G'.

Which statement is NOT true?
Responses
A If (x, y) represents the coordinates of a vertex of triangle EFG, then (–x, –y) represents the coordinates of the corresponding vertex of triangle E'F'G'.If ( x , y ) represents the coordinates of a vertex of triangle EFG , then (– x , – y ) represents the coordinates of the corresponding vertex of triangle E'F'G'.
B If (x, y) represents the coordinates of a vertex of triangle EFG, then (y, –x) represents the coordinates of the corresponding vertex of triangle E'F'G'.If ( x , y ) represents the coordinates of a vertex of triangle EFG , then ( y, – x ) represents the coordinates of the corresponding vertex of triangle E'F'G'.
C Triangle E'F'G' is congruent to triangle EFG.Triangle E'F'G' is congruent to triangle EFG .
D The angle measures of triangle E'F'G' are equal to the corresponding angle measures of triangle EFG.

Answer 1

its wrong

Answer 2

What is the value of DE if AB = 6, AD = 8, and BC = 3?
Responses
A 3.53.5
B 44
C 4.54.5
D 5