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bija089 [108]
3 years ago
10

I just need A,B,C I do t get it

Mathematics
1 answer:
cupoosta [38]3 years ago
3 0
R-4+3r-16=180
4r-20=180
4r=200
r=50

Angle D
r-4
50-4
46

Angle E
3r-16
3•50-16
150-16
134
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