Question

Find the perimeter of a quadrilateral with vertices at C (−2, 1), D (2, 4), E (5, 0), and F (1, −3). Round your answer to the nearest hundredth when necessary.

Answer 1

You need to find the lengths of the following segments

CD, DE, EF, CF

Answer 2

To find the length of CD, you calculate the distance from point C to D

Use the distance formula

Answer 3

the distance formula is the same thing as the Pythagorean theorem ...right?

Answer 4

you can think of it like that

Answer 5

the distance formula is derived from using the Pythagorean theorem