Figure #2
2. What is x?
А 58
C 122
990
B
48
D
218
42


Figure 2 2 What Is X А 58 C 122 990 B 48 D 218 42 class=

Answer :

the answer is 58.

the inside of a triangle adds to 180, so by subtracting the inner corner numbers already known (80&42) you’re left with 58