A circle having radius unity is inscribed in the triangle formed by `L_1 and L_2` and a tangent to it Then the minimum area of the triangle possible is

A circle of radius unity is inscribed in an isosceles triangle. The least perimeter of the triangle is :

The area of triangle formed by the lines l_1 and l_2 and the x-axis is:

A circle is inscribed in an equilateral triangle. If the in-radius is 21 cm, what is the area of the triangle?

A circle is inscribed ina n equilateral triangle and a square is inscribed in the circle. The ratio of the area of the triangle to the area of the square is

A circle is inscribed in an equilateral triangle and a square is inscribed in the circle. The ratio of the area of the triangle to the area of the square is______

A circle is inscribed in an equilateral triangle and square is inscribed in that circle. The ratio of the areas of the triangle and the square is

The minimum area of the triangle formed by any tangent to the ellipse x^2/16+y^2/81=1 and the coordinate axes is :