Answer
$10.93\ cm, \ 4.73\ cm^2$
Work Step by Step
Since the perimeter of a triangle is the sum of the lengths of the sides, then we have
$$perimeter=3.91+2.42+4.6=10.93\ cm
.$$
Also, the area is given by
$$
Area= \frac{1}{2} base \times hight=\frac{1}{2}\times3.91\times 2.42=4.73\ cm^2
.$$
