1.

The sides of a triangle are \[16\text{ }cm,\] \[30\text{ }cm\] and\[34\text{ }cm\]. What is its area?

A.  \[120\,c{{m}^{2}}\]                       
B.  \[260\,c{{m}^{2}}\]       
C.  \[240\,c{{m}^{2}}\]       
D.         \[272\,c{{m}^{2}}\]                       
Answer» D.         \[272\,c{{m}^{2}}\]                       


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