Question

The endpoints of one side of a regular pentagon or -1, four and two, three what is the perimeter of the Pentagon

Answer 1

Answer:

Step-by-step explanation:

$(-1,4),(2,3)\\ \\ s^2=(-1-2)^2+(4-3)^2\\ \\ s^2=9+1\\ \\ s^2=10\\ \\ s=\sqrt{10}\\ \\ p=5s\\ \\ p=5\sqrt{10}\ exact\\ \\ p\approx 15.8$