Question

Ellen rotated triangle ABC 90° clockwise around point A to form triangle ACD and rotated triangle ABC 180° clockwise around point A to form triangle ADE.

Which transformation should she perform on triangle ADE to ensure that BE ≌ DC?



A.
a 90° clockwise rotation around point A

B.
a 90° counterclockwise rotation around point E

C.
a translation 2 units left

D.
a translation 2 units down

http://static.k12.com/calms_media/media/1572500_1573000/1572849/1/f25c9a3d9151f667ec91464a2b5181fbfe3c6a8a/MS_IMC-141215-110514.jpg

Answer 1

@sleepyjess

Answer 2

i think D

Answer 3

You think that moving the figure down will prove the 2 lines congruent/

Answer 4

C?

Answer 5

@sleepyjess

Answer 6

mmmm just moving it over won't really prove anything, it must be rotated

Answer 7

A? @sleepyjess

Answer 8

yep :) C and D would only provide this (not the greatest drawing)

Answer 9

Thanks ^_^