Answer:
Figure 1) angle c= 24 degrees
figure 2) angle d= 20 degrees
figure 3) angle i= 35 degrees
figure 4) angle L= 88 degrees
Step-by-step explanation:
figure 1) 28+128=156 180-156=24
figure 2) 122+38=160 180-160=20
figure 3) 20+72=92 180-72=35
figure 4) 56+89=145 180-145=88