1.

The sides of a triangle are \[3\text{ }cm,\text{ }5\text{ }cm\] and \[\text{4 }cm\]. What is its area?

A.  \[6\,\,c{{m}^{2}}\]                         
B.  \[75\,\,c{{m}^{2}}\]      
C.         \[5\sqrt{2}\,\,c{{m}^{2}}\]         
D.         \[10\,\,c{{m}^{2}}\]
Answer» B.  \[75\,\,c{{m}^{2}}\]      


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