Use the information to decide if AABC is acute, right, or obtuse. 11. AC 13, ВС 15, CD = 12 12. АС 3D 10, ВС = 17, CD = 8 13. АC 13, ВС V34. CD = 3 14. AD = 2, DB = 8, CD = 4 A D B

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