The sides of a triangle ABC are `(x^(2) + x +1),(2x+1)` and `(x^(2)-1)`. Find the greatest angle of the triangle.

Angles of a triangle are (3x)^(@),(2x-7) and (4x-11)^(@) . Find the measure of x and each angle of the triangle

The sides of a triangle are x^2+x+1, 2x+1 and x^2-1. Prove that the greatest angle is 120^0

The sides of a triangle are x^2+x+1,2x+1,a n dx^2-1 . Prove that the greatest angle is 120^0dot

The lengths of the sides of an isosceles triangle are 9 + x^(2), 9 + x^(2) and 18 - 2x^(2) units. Calculate the area of the triangle in terms of x and find the value of x which makes the area maximum.

The sides of a triangle containing the right angle are 5x cm and (3x-1) cm. If the area of the triangle is 60 cm^(2) , calculate the lengths of the sides of the triangle.

If the equations of three sides of a triangle are x+y=1, 3x + 5y = 2 and x - y = 0 then the orthocentre of the triangle lies on the line/lines

The lengths of the sides of an isosceles triangle are 9+x^2,9+x^2 and 18-2x^2 units. Calculate the area of the triangle in terms of x and find the value of x which makes the area maximum.

The sides of a right angled triangle containing the right angle are 4x cm and (2x-1) cm. If the area of the triangle is 30cm^(2) calculate the lengths of its sides.

If the sides of a triangle are proportional to 2,\ sqrt(6)\ a n d\ sqrt(3)-1, find the measure of its greatest angle.

The length of the sides forming right angle of a right angled triangle are 5xc m and (3x-1)c mdot If the area of the triangle is 60c m^2, find its hypotenuse.