A) \[{{67.5}^{o}}\]
B) \[{{77.5}^{o}}\]
C) \[{{87.5}^{o}}\]
D) \[{{99.75}^{o}}\]
Correct Answer: C
Solution :
\[\angle A+\angle D={{185}^{o}}\] \[\Rightarrow \]\[\frac{1}{2}\angle A+\frac{1}{2}\angle D=\frac{1}{2}({{185}^{o}})\] \[\Rightarrow \]\[\frac{1}{2}\angle A+\frac{1}{2}\angle D({{92.5}^{o}})\] From \[\Delta AOD\]You need to login to perform this action.
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