Look at this diagram, complete the following questions

e = a

f = c

Angles a, b and c add up to 180°

Angles a, f and b also add up to 180°

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.