Question
How many angles are formed in the figures (i), (ii) and (iii)? Name them.

Answer

  1. Three angles are formed, namely $\angle\text{ABC}, \angle\text{BAC}$ and $\angle\text{ACB.}$
  2. Four angles are formed, namely $\angle\text{ABC}, \angle\text{ADC}, \angle\text{BCD}$ and $\angle\text{BAD.}$
  3. Eight angles are formed namely $\angle\text{ADC}, \angle\text{ACD}, \angle\text{DAC,} \angle\text{ACB}, \angle\text{ABC}, \angle\text{BAC}, \angle\text{BCD}$ and $\angle\text{BAD.}$

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