Home
Class 12
MATHS
If a,b and c are the sides of a traiangl...

If a,b and c are the sides of a traiangle such that `b.c =lamda ^(2),` then the relation is `a, lamdaand A` is

A

`c ge 2 lamda sin((C)/(2))`

B

`b ge 2 lamda sin ((A)/(2))`

C

`a ge 2 lamdasin ((A)/(2))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If a,b,and c are the side of a triangle and A,B and C are the angles opposite to a,b,and c respectively, then Delta=|{:(a^(2),bsinA,CsinA),(bsinA,1,cosA),(CsinA,cos A,1):}| is independent of

If a, b, c are the side of a right triangle where c is the hypotenuse, prove that the radius of the circle which touches all the side of the triangle is given by r= (a+b-c)/2 .

If a, b, c be the vectors represented by the sides of a triangle taken in order, then a+b+c=0

Let a,b,c be the sides of a triangle. No two of them are equal and lambda in R If the roots of the equation x^2+2(a+b+c)x+3lambda(ab+bc+ca)=0 are real, then

If a,b and c are non-coplanar vectors and lamda is a real number, then the vectors a+2b+3c,lamdab+muc and (2lamda-1)c are coplanar when

If a,b and c are three non-zero vectors such that no two of these are collinear. If the vector a+2b is collinear with c and b+3c is collinear with a( lamda being some non-zero scalar), then a+2b+6c is equal to

If a+b is along the angle bisector of a and b, where |a|=lamda|b| , then the number of digits in value of lamda is

If |a| = 3 , |b| = 4 , then a value of lamda for which a + lamda b is perpendicular to a - lamda b is

If a ,b ,c are sides of a scalene triangle, then value of {:|(a, b, c), (b, c, a), (c, a, b)|:} is (a) positive (b) negative (c) non-positive (d) non-negative

If R is a relation from a set A to a set B and S is a relation from B to a set C, then the relation SoR