Question

How many angles are formed in each of the figures given below? Name them.
Figure

Answer 1

(i) Here, three angles are formed. They are $\angle ABC,\angle ACBand\angle BAC.$
(ii) Here, four angles are formed. They are $\angle ABC,\angle BCD,\angle CDAand\angle DAB$.
(iii) Here, eight angles are formed. They are $\angle ABC,\angle BCD,\angle CDA,\angle DAB,\angle ABD,\angle ADB,\angle CDB,\angle CBD$.