For the following questions answer them individually
If $$x = 2 + \sqrt{3}, y = 2 - \sqrt{3}$$, then the valuer of $$\frac{x^2 + y^2}{x^3 + y^3}$$ isÂ
If an obtuse-angled triangle ABC, is the obtuse angle and O is the orthocenter. If = 54$$^{\circ}$$ , then is
If the ratio of areas of two equilateral triangles is 9 : 16, then the ratio of their corresponding sides is
Let BE and CF be the two medians of a $$\triangle$$ ABC and G be their intersection. Also let EF cut AG at O. Then AO : OG is
AC and BC are two equal cords of a circle. BA is produced to any point P and CP, when joined cuts the circle at T. Then