right angle: exactly 90º
acute angle: less than 90º
obtuse angle: more than 90º
Evaluation:
1. 53, obtuse
not possible because it’s less than 90º but says it’s obtuse
2. 127, acute
again not possible because it’s greater than 90º but it says it’s acute
3. 58, acute
< CGF looks less than ninety, and this answer is true because 58º is less than 90º and it says acute
4. 122, obtuse
although this is true,
Thus, your correct answer would be the third one: 58, acute.
Hope this helps!
