A) \[{{80}^{o}},\,\,{{100}^{o}}\]
B) \[{{85}^{o}},\,\,{{95}^{o}}\]
C) \[{{40}^{o}},\,\,{{50}^{o}}\]
D) \[{{60}^{o}},\,\,{{120}^{o}}\]
Correct Answer: A
Solution :
One angle is \[\frac{4}{9}\times {{180}^{o}}={{80}^{o}}\] Second angle is \[\frac{5}{9}\times {{180}^{o}}={{100}^{o}}\]
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