A) \[78{}^\circ \]
B) \[73{}^\circ \]
C) \[85{}^\circ \]
D) \[100{}^\circ \]
Correct Answer: B
Solution :
[b] Then, \[80{}^\circ +95{}^\circ +112{}^\circ +x=360{}^\circ \] \[\Rightarrow \] \[287{}^\circ +x=360{}^\circ \] \[\Rightarrow \] \[x=(360{}^\circ -287{}^\circ )=73{}^\circ \] |
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