The answer is 6, I hope it helps!!
No, a triangle can only add up to 180°
Answer:
142
Step-by-step explanation:
Answer:
140 students......
Step-by-step explanation:
Plz mark brainliest thanks
Answer:
57
Step-by-step explanation:
exterior angles add up to 360 so'
9x+1+5x+12+10x-37
24x-24=360
24x=384
x=16
10(16)-37
160-37
123
180-123
= 57