The vertex angle fo a biprism is of the order

In an isosceles triangle,if the vertex angle is twice the sum of the base angles,then the measure of vertex angle of the triangle is 100^(0) (b) 120^(0) (c) 110^(0) (d) 130^(0)

In an isosceles triangle if the vertex angle is twice the sum of the base angles,calculate the angles of the triangle

In an isosceles triangle,if the vertex angle is twice the sum of the base angles,calculate the angles of the triangle.

In an isosceles triangle,the base angles are equal.The vertex angle is twice of either base In an isosceles triangles of the triangle?

In fresnel's biprism experiment the distance between the source and the screen is 1 ma nd that between the screen is 1 m and that between the source and biprism is 10 cm. the wavelength of light used is 6000Å. The fringe width obtained is 0.03 cm and the refracting angle of biprism is 1^(@) then calculate the refractive index of the material of biprism.

The vertex angle of an isosceles triangle is 80^(@) , Find ot the measure of base angles .

In an Isosceles triangle the base angles are equal and the vertex angle is twice of each base angle. Find the measures of the angles of the triangle.

Which of the following statements are true: The vertex of an angle lies in its interior.The vertex of an angle lies in its exterior The vertex of an angle lies on it.

In an isosceles triangle,the base angles are equal.The vertex angle is thrice either base angle. What are the measures of the angles?

In an isosceles triangle,the base angles are equal.The vertex angle is 40^(@) What are the base angles of the triangle?