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4 A B D Justify the given statement using the picture above. 1. m41 + m42 = m/ABC 2. If B is the midpoint of AD, then AB = BD. 3. If BC bisects ZFBE, then 42 = 43. 4. If 41 and LFBD are supplementary, then m41 + m4FBD = 180 5. If m4CBD = 90, then 4CBD is a right angle. 6. AB + BD = AD 7. If m42 = m43, then BC bisects LFBE. 8. If m43 + m24 = 90, then 43 and 44 are complementary. 9. If LABC and ZCBD are right angles, then LABC = LCBD. 10. If 41 = 42 and 42 = 43, then 41 = 43