Properties of TriangleHard
Question
ABC is a triangle, right angled at A. The resultant of the forces acting along 
with magnitudes 
and 
respectively is the force along 
, where D is the foot of the perpendicular from A onto BC. The magnitude of the resultant is
with magnitudes and respectively is the force along , where D is the foot of the perpendicular from A onto BC. The magnitude of the resultant isOptions
A.
B.
C.
D.
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