Mathematics

Problem

A triangle must have perimeter

26\,\text{cm}

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

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

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

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

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