Answer:
Y = 64°
Step-by-step explanation:
The internal angles of a triangle sum to 180°
So by subtracting the known angles from the angle sum you can find Y
Y = 180° - 37° - 79° = 64°
64
Add up the first two angles, 79+37=116
Subtract this from 180, 180-116=64
Theres your answer
