A) \[40{}^\circ \]
B) \[115{}^\circ \]
C) \[25{}^\circ \]
D) \[65{}^\circ \]
E) \[90{}^\circ \]
Correct Answer: E
Solution :
Let the angle between a and c is\[\theta \], then \[\theta =25{}^\circ \]and the angle between b and c is\[\alpha \], then\[\alpha =65{}^\circ \]. \[a+b=c\] ...(i) So, by parallelograms property Resultant of a and\[b=a+b=c\][from Eq. (i)] So, angle between a and\[b=25{}^\circ +65{}^\circ =90{}^\circ \]You need to login to perform this action.
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