Name the following angles of Fig. using three letters: |
(a) \[\angle 1\] |
(b) \[\angle 2\] |
(c) \[\angle 3\] |
(d) \[\angle 1+\angle 2\] |
(e) \[\angle 1+\angle 2+\angle 3\] |
(f) \[\angle CBA-\angle 1\] |
Answer:
(a) \[\angle \text{1}=\angle CBD\] (b) \[\angle 2=\angle DBE\] (c) \[\angle 3=\angle EBA\] (d) \[\angle 1+\angle 2=\angle CBE\] (e) \[\angle 1+\angle 2+\angle 3=\angle CBA\] (f) \[\angle CBA-\angle 1=\angle DBA\]
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