A) \[70{}^\circ \]
B) \[35{}^\circ \]
C) \[55{}^\circ \]
D) \[75{}^\circ \]
Correct Answer: C
Solution :
(c): Let \[\angle AED=m\] and \[\angle CFD=n\] \[\angle DAE=90{}^\circ -m\]; Also (Exterior\[\angle \]) \[\Rightarrow \]\[90{}^\circ -m=35{}^\circ +n;\] \[\Rightarrow \] \[55{}^\circ =m+n\]You need to login to perform this action.
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