A. 3
B. 5
C. 5√3
D. 3√3
In ΔABC, if r1 =3, r2= 10, r3= 15, then c=
.In ΔABC, if 2R+ r= r1, then the triangle isa
If sin(y+z-x),sin(z+x-y), sin(x+y-z) are in A.P then tan x, tan y, tan z are in
If Two angles of a triangle are 300, 450 and the included side is √3+1, then the remaining sides are
In ΔABC, if (a+b-c) (a+b-c) = 3ab, then C =
In ΔABC, if a= 26, b=30, cos C=63/65 then r1:r2:r3 =
In ΔABC, if a,b,c are in A.P. the greatest angle is A and least is C then 4(1- cos A) (1-cos C) =
If a, b, c are the sides of a triangle then the range of ab+bc+ca/a2+b2+c2 is
If (a+b)2 = c2+ab in a ΔABC and if √2 (sin A+ cos A) =√3 then ascending order of angles A,B,C is
In ΔABC, (r1 +r2) (r2 +r3) (r3+r1) =