Properties of TriangleHard
Question
If in a ᐃ ABC, cos A = 
, then the ᐃABC is -
, then the ᐃABC is -Options
A.Equilateral
B.Isosceles
C.Right angled
D.None of these
More Properties of Triangle Questions
In ᐃABC with usual notations, if A = 3C and acute angle between altitude from vertex A & angle bisector of vertex ...ABC is a triangle, right angled at A. The resultant of the forces acting along with magnitudes and respectively is the f...In a triangle ABC, (b + c) cosA + (c + a) cosB + (a + b) cosC...If the lengths of the sides of a triangle are 3, 4 and 5 units then R the circumradius is -...In triangle ABC, I is in centre of the triangle. If ′R′ and ′r′ be the circumradius and inradius...