In a triangle, the lengths of the two larger sides are 10 and 9 respectively. If the angles are in A.P.,

In a triangle the length of the two larger sides are 24 and 22, respectively.If the angles are in A.P.,then the third side ,is

If the lengths of the sides of a triangle are 3, 5, 7 , then its largest angle of the triangle is

Let PQR be a triangle of area Delta with a = 2, b = 7//2 , and c = 5//2 , where a, b and c are the lengths of the sides of the triangle opposite to the angles at P, Q and R, respectively. Then (2 sin P - sin 2P)/(2 sin P + sin 2P) equals

If the altitudes of a triangle are in A.P,then the sides of the triangle are in

If the cotangents of half the angles of a triangle are in A.P., then prove that the sides are in A.P.

If the sides of a right angled triangle are in A.P then the sines of the acute angles are

In a triangle with one angle (2pi)/(3), the lengths of the sides form an A.P. If the length of the greatest side is 7 cm, the radius of the circumcircle of the triangle is

If the length of sides of right angled triangle are in AP, then their ratio is

The areas of two similar triangles are 169\ c m^2 and 121\ c m^2 respectively. If the longest side of the larger triangle is 26cm, what is the length of the longest side of the smaller triangle?

If the angles of the triangle are in A.P. and 3a^(2)=2b^(2) , then angle C ,is