teiuq4712 teiuq4712 14-05-2020 Mathematics contestada 40 POINTS!!!!!!!!!!! For Items 4 and 5, use ⊙Z. 4. What is m⏜BC? A 28 B 56 C 70 D 140 5. What is m∠BCD? A 82 B 168 C 192 D 220