Properties of TriangleHard
Question
If the sides of a triangle are proportional to the cosine of the opposite angles, then the triangle is-
Options
A.Right angled
B.equilateral
C.obtuse angled
D.None of these
More Properties of Triangle Questions
Let A (2, -3) and B(-2, 1) be vertices of a triangle ABC. If the centroid of this triangle moves on the line 2x + 3y = 1...If = , then -...In any ᐃABC, cosA + cosB + cosC =...The centre of square ABCD is at origin. The vertex A is Z, then centroid of triangle BCD is at (where Z ∈ C) :...In ᐃABC, (b − c) sin A + (c − a) sin B + (a − b) sin C =...