Answer:
108°
Step-by-step explanation:
The angle ratio is given as ...
(large angle) : (small angle) = 3 : 2
Then the ratio of the large angle to 180° is ...
(large angle) : (sum of angles) = 3 : (3+2) = 3:5
The size of the large angle is ...
3/5 × 180° = 108°
