Mathematics

Problem

Four different triangles each have perimeter

24\,\text{cm}

. Which set of side lengths will give the greatest area? a)

9\,\text{cm},\;9\,\text{cm},\;6\,\text{cm}

6\,\text{cm},\;8\,\text{cm},\;10\,\text{cm}

8\,\text{cm},\;8\,\text{cm},\;8\,\text{cm}

8\,\text{cm},\;9\,\text{cm},\;7\,\text{cm}