Question

Find angel BAC in both questions​

Answer 1

Answer:

80

65

Step-by-step explanation:

angle at O =360

BOA+AOC+BOC=360

90+110+X =360

X=360-200

X=160

BOC/2 =BAC

160/2 = BAC

BAC = 80

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2=》 120+110+X=360

X = 360-230

X = 130

BAC = 130/2

BAC = 65