The perimeter of this shape is 82 cm.
Irregular quadrilateral
What is the length of side d?
cm

Question

The perimeter of this shape is 82 cm. 
   Irregular quadrilateral   
What is the length of side d? 
  cm

thesmartone · Answer

$\Huge\cal\color{Green}{Welcome~to~Open~Study!!!}$
Do you have a picture?

anonymous · Answer

yeah http://static.k12.com/calms_media/media/1298000_1298500/1298261/2/4f0de132f917da6b413cf1be7f8c88e7e7f5d754/150013_.jpg

anonymous · Answer

that is the link

kamille · Answer

what is perimetre?

anonymous · Answer

the perimeter is the sum of all sides

anonymous · Answer

so can you now set up an equation?

kamille · Answer

so, you have three sides,which are known, one is unknown.Also,you have the perimeter,right? 

so you can make an equation,do you have any ideas how it shoud look like? remember, that a+b+c+d=P, where you know a,b,c and P

anonymous · Answer

Indeed, you've got it!

kamille · Answer

hahahaha, I thought I am explaining the question to the one who has asked,seems like not

kamille · Answer

my bad:}}}

anonymous · Answer

Looks like it :-)

anonymous · Answer

thx for the help