VectorHard
Question
If p.v. of vertices of a ᐃABC are 2î + 4ĵ − 
, 4î + 5ĵ + 
, 3î 6ĵ − then which of the following angles is a right angle-
, 4î + 5ĵ + , 3î 6ĵ − then which of the following angles is a right angle-Options
A.∠A
B.∠B
C.∠C
D.None of these
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