Answer:
60°,60°
Step-by-step explanation:
10x - 20= 7x + 4 (alternate exterior angles)
10x-7x = 4+20
3x = 24
x = 24/3
x=8
top left angle measure = 10x-20
= 10(8) - 20[substitute 8 for x]
80-20
60°
bottom right angle measure = 7x+4
=7(8) +4[substitute 8 for x]
56+4
60°
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