Answer:
c
Step-by-step explanation:
C
step by step explanation:
Answer:
x = 20
Step-by-step explanation:
Answer:
x = 24
Step-by-step explanation:
The sum of the measures of the angles of a triangle is 180°.
4x + x + 60 = 180
5x + 60 = 180
5x = 120
x = 24