Classify the triangle by its angle measures.

d) Acute

Step-by-step explanation:

if all three angle measures are less than 90 degrees, the triangle is acute

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.