Answer:
21
Step-by-step explanation:
bc
1
12
9
+--
21
ans: 70 ...( it is by ; 180-110) because of straight angle= 180...........
Answer
D. Angle 8
Step-by-step explanation:
Answer:
NOT proportional
Step-by-step explanation:
y/x = 5/2 = 2.5
y/x = 6/3 = 2
also 7/4 = 1. 75 and 8/5 = 1.6 so:-
They are NOT proportional