Properties of TriangleHard
Question
In a ᐃABC, 
is equal to -
is equal to -Options
A.
B.
C.c cot 
D.None
More Properties of Triangle Questions
If in a triangle ABC a cos + c cos2 = , then the sides a, b and c...In triangle ABC, I is in centre of the triangle. If ′R′ and ′r′ be the circumradius and inradius...In a triangle PQR, ∠R = . If tan and tan are the roots of ax2 + bx + c = 0, a ≠ 0 then...In ᐃABC, if a cos A = b cos B, then the triangle is -...The diameter of the circumcircle of a triangle with sides 5 cm, 6 cm and 7 cm is -...