Answer:
Group 1: W, X, and Z
Step-by-step explanation:
Group 1: W, X, and Z
Group 2: Y
An acute angle is an angle that is less than 90° (a right angle) which is easy to spot since it's in the shape of an L. An acute angle looks like ∧, ∨, or ∠, because of this I can tell that shapes W, X, and Z have acute angles.
Shape Y has obtuse angles.
I hope this helps!
