The area of the right angled triangle in terms of its circum radius and inradius is

In a right - angled isosceles triangle , the ratio of the circumradius and inradius is

In a right angled isoceles triangle,the ratio of the circumradius and inradius is

In a right-angled isosceles triangle, the ratio of the circumradius and inradius is

In an equilateral triangle the ratio of circum-radius and in-radius is

Find the area of a right-angled triangle, if the radius of its circumcircle is 7.5 cm and the altitude drawn to the hypotenuse is 6 cm long.

What is the area of a right-angled triangle, if the radius of the circumcircle is 5 cm and altitude drawn to the hypotenuse is 4 cm ?

The maximum area of a right angled triangle with hypotenuse h is