Q24Fill in the blanks
Number of angles less than 180° in Fig. 2.17 is ______and their names are ______.
This question refers to a figure in the original PDF.
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12; ∠OAB, ∠OBA, ∠OAC, ∠OCA, ∠OCD, ∠ODC, ∠AOB, ∠AOC, ∠COD, ∠DOB, ∠BAC, ∠ACD
Number of angles less than 180° in Fig. 2.17 is ______and their names are ______.
This question refers to a figure in the original PDF.
12; ∠OAB, ∠OBA, ∠OAC, ∠OCA, ∠OCD, ∠ODC, ∠AOB, ∠AOC, ∠COD, ∠DOB, ∠BAC, ∠ACD