Which of these triangles appears not to be congruent to any others shown here? Check all that apply.
A. Triangle A
B. Triangle B
O C. Triangle C
D. Triangle D
E. Triangle E
F. Triangle F

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.