Mathematics

Problem

The sides of a triangle measure

15\,\text{cm},\;16\,\text{cm}

and

17\,\text{cm}

. What is the length of the altitude to the side of length

16\,\text{cm}

? a)

12\,\text{cm}

\dfrac{16}{5}\sqrt{21}\,\text{cm}

3\sqrt{21}\,\text{cm}

\dfrac{3}{2}\sqrt{21}\,\text{cm}