The in-radius of the triangle whose sides are 3,5,6,is

The circum-radius of the triangle whose sides are 13, 12 and 5 is...

The circumradius of the triangle whose side are 13, 12 and 5 is -

The area of the triangle whose sides are 6,5,sqrt(13) ( in square units ) is

Find the direction cosines of the sides of the triangle whose vertices are (3,5,-4), (-1,1,2) and (-5,-5,-2).

Find the direction cosines of the sides of the triangle whose vertices are (3,5,-4), (-1,1,2) and (-5,-5,-2).

Find the ratio of circum radius (R) to inradius (r) of a triangle whose sides are 4,6 and 8.

Find the greatest angle of the triangle whose sides are 3, 5 and 7 cms.

Find the direction cosines of the sides of the triangle whose vertices are (3, 5, 4) , ( 1, 1, 2) and ( 5, 5, 2) .