Let's find the value of x
Since the sum of internal angles of a triangle is 180°
therefore,






Answer:
Step-by-step explanation:
Hello ;
y= -6
Answer:
i think it is C sorry if it is wrong.
Step-by-step explanation:
join zoom: 982 6380 2701 and 9H92fF
Step-by-step explanation:
A/B=5/7 , B/C=6/12
Taking B=12×7=84, we get
A=12×5=60, C=7×6=42
Hence,
60:84:42. Answer