Welcome to Finding the Perimeter of Composite Shapes with Mr. J! Need help with how to find the perimeter of a composite shape? You're in the right place!
Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with how to find the perimeter of a composite shape. Mr. J will go through two examples of finding the perimeter of a composite shape and then there will be one practice problem.
This video also features the following song: Artist = Kicktracks Song = Echo Park
Hopefully this video is what you're looking for when it comes to finding the perimeter of a composite shape.
Have a great rest of your day and thanks again for watching! ✌️✌️✌️
[Music]
welcome to math with Mr
J in this video I'm going to cover how
to find the perimeter of a composite
figure a composite shape and remember
perimeter is the distance around the
outside of a shape so when we find the
perimeter of something we add all of the
side lengths in this video we will go
through two examples together and then
you'll try a practice problem on your
own let's jump into number one where we
need to find the perimeter and again all
we need to do here is add all of the
side lengths so 4 in + 9 in + 11 in + 5
in + 7 in + 4 in so let's write this out
off to the side perimeter equals and I'm
going to cross these off as we go along
here that's going to help us keep track
of the sideline and keep us organized
that way we don't miss anything or count
anything twice we will start up top with
4 in so 4 in plus 9
in plus 11
in plus 5
in plus 7
in plus 4 in that's that's all of the
side lengths and now we can add so 4 + 9
is 13 + 11 is 24 + 5 is
29 + 7 is 36 +
4 is 40 and this is Ines so that's our
perimeter 40 in now before we move on to
number two I do want to mention it does
not matter what order we add the side
lengths in as long as they are all
included we will get the correct
perimeter so something to keep in mind
let's move on to number two taking a
look at number two let's find the
perimeter here so I'm going to write
this out off to the side so perimeter
equals and let's start up top here with
this three feet right here so 3 feet
plus 3 ft and again I'm crossing off as
I go along here and that's going to help
us keep track of all of these sides that
way we don't skip anything or count
anything
twice plus
4T plus 9
ft plus
4T
plus 12T
Plus 8
ft and those are all of the side lengths
so let's add 3 + 3 is 6 + 4 is 10 + 9 is
19 + 4 is 23 + 12 is 35 + 8 is
403 and this is feet so our perimeter
here 43 feet lastly let's move on to
number three which is our practice
problem so you're going to do this one
on your own here's number three and for
this one you're going to find the
perimeter on your own so have paper and
pencil ready feel free to pause the
video and work through this or let the
video play and I'll give you a minute
and a half feel free to jump ahead to
the answer when you're ready go ahead
and and start
[Music]
all right so let's check our work here
and see how we did for number three here
the perimeter is 36 M and remember it
doesn't matter what order you added the
side lengths in so if your work is
different than mine that's okay as long
as all of the side lengths are included
and you got the correct perimeter that's
what matters so there you have it
there's how to find the perimeter of a a
composite figure I hope that helped
thanks so much for watching until next
time peace
