Step-by-step explanation:
6x-11+8x-29+3x-1= 180
17x-41= 180
17x = 139
x= 8.17
m<K = 36.4°
Answer:
Absolute error = 13-12.7=0.3
13 =100%
12.7=x
x=(12.7)(100)/13
x=97.7
the percentage error is 97.7%