A) \[{{360}^{o}}\]
B) \[{{720}^{o}}\]
C) \[{{180}^{o}}\]
D) \[{{300}^{o}}\]
Correct Answer: A
Solution :
Here in\[\Delta AEC\], \[\angle A+\angle E+\angle C={{180}^{o}}\] ? (i) In \[\Delta BFD,\,\,\angle B+\angle F+\angle D={{180}^{o}}\] ? (ii) Adding (i) and (ii) we get, \[\angle A+\angle B+\angle C+\angle D+\angle E+\angle F={{360}^{o}}\]You need to login to perform this action.
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