In a triangle, the lengths of the two larger sides are 10 and 9,
respectively. If the angles are in A.P., then the length of the third side
can be
`5-sqrt(6)`
(b) `3sqrt(3)`
(c)
`5`
(d) `5+sqrt(6)`
A. `5 pm sqrt(6)`
B. 0.7
C. `sqrt(5)+6`
D. none of these
