X+60 + 70 = 180 (straight line)
x+130=180
x= 180 -130
x=50
The Law of Cosine states
cos
so plugging in the numbers gives us
cos
We now have cosJ so plug that into your calculator and find arccos (arccos(cos(J)) = J)
arccos
rounding your answer will give you 34°
Answer:
AB= 94
Step-by-step explanation:
43+43= 86
180-86= 94
Answer:
18 people are in his class.
Step-by-step explanation:
27/8 / 3/16
27/8*16/3