question_answer

The area of the largest triangle that can be inscribed in a semi-circle whose radius is r cm is

A)  \[\text{2 r c}{{\text{m}}^{\text{2}}}\]                   

B)  \[{{\text{r}}^{\text{2}}}\text{ c}{{\text{m}}^{\text{2}}}\]  

C) \[\text{2 }{{\text{r}}^{\text{2}}}\text{ c}{{\text{m}}^{\text{2}}}\]                            

D)  \[\text{4 }{{\text{r}}^{\text{2}}}\text{ c}{{\text{m}}^{\text{2}}}\]