The sides of a triangle are `7\ c m ,\ 9\ c m\ a n d\ 14\ c mdot` Its area is `12sqrt(5)\ c m^2` (b) `12sqrt(3)\ c m^2` `24sqrt(5)\ c m^2` (d) `63\ c m^2`

Options

A. `12sqrt2cm^2`
B. `12sqrt5cm^2`
C. `24sqrt5cm^2`
D. `65cm^2`

Answer

B