Question

Please help:


Find the perimeter of parallelogram EFGH to the nearest tenth.

Answer 1

Approximately 17.4

Explanation:

First you can start off by using the distance formula to find the sides.

EH =
`√((-1-1)^2+(5-1)^2) =√(4+16)=2√(5)`

EF =
`√((-1-2)^2+(5-8)^2)=√(9+9)=3√(2)`

The perimeter is
`4√(5)+6√(2)`

Which is 17.42955328

Approximately 17.4