Answer:
<3 = 40 degrees
Step-by-step explanation:
90 + 58 + <1 = 180
148 + <1 = 180
<1 = 32
<1 = <2
32 = <2
<2 + <3 + 108 = 180
32 + <3 + 108 = 180
<3 + 140 = 180
<3 = 40