If the angle of a triangle are in the ratio `1:2:3,` then show that the sides opposite to the respective angle are in the ratio `1: sqrt3:2.`

The angles of a triangle are in the ratio of 2:3:4, the measurement of greatest angle is-

It is possible to divide a line segment in the ratio 2 + sqrt3 : 2- sqrt3.

If two angles of a triangle are tan^(-1)(2) and tan^(-1)(3), then find the third angle.

Sides of two similar triangles are in the ratio 4 : 9. Areas of these triangles are in the ratio

The four angles of a quadrilateral are in the ratio 1: 2:3:4. Find the measure of each angle of the quadrilateral.

If the bisector of an angle of a triangle also bisects the opposite side, prove that the triangle is isosceles.

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

If the angles of a triangle are 30^(@) and 45^(@), and the included sise is (sqrt3+ 1) cm, then prove that the area of the triangle is 1/2 (sqrt3+1).

Prove that the angles opposite to equal sides of an isosceles triangle are equal.

Masses of 3 wires of same metal are in the ratio 1 : 2 : 3 and their lengths are in the ratio 3 : 2 : 1. The electrical resistances are in ratio