Properties of TriangleHard
Question
The values of a, for which the points A, B, C with position vectors 
and 
respectively are the vertices of a right-angled triangle with C = 
are
and respectively are the vertices of a right-angled triangle with C = are Options
A.2 and 1
B.-2 and -1
C.-2 and 1
D.2 and -1
⇒ (2 - a) (1 - a) = 0More Properties of Triangle Questions
Let be a unit vector and is a nonzero vector not parallel to . The angles of the triangle, two of whose sides are repres...If λ be the perimeter of the ᐃABC then b cos2 + c cos2 is equal to -...In any ᐃABC, b2 sin 2C + c2 sin 2B =...The vertex C of a triangle ABC is (4, - 1). The equation of altitude AD and Median AE are 2x - 3y + 12 = 0 and 2x + 3y =...Let P be a point in the plane of the vector $\overrightarrow{AB} = 3\widehat{i} + \widehat{j} - \widehat{k}$ and $\overr...