math
posted by bob .
The perimeter of the polygon below is 9x1. Find the expression for the missing side length.
There are 5 expressions: 3x4, x5, x+1, 2x+3, and ?. I got ?=2x6. I added all the equation and minus it from 9x1.

math 
Alex
2x+4
Respond to this Question
Similar Questions

Math
Which has the largest perimeter, Polygon A or Polygon B? 
geometry
How do you find the perimeter of a second polygon given just the scale factor of both polygons and the perimeter of the larger polygon? 
math
A side of regular polygon is 3.5 cm in length.the perimeter of the polygon is 17.5 cm. How many sides does the polygon have? 
Algebra 1
The perimeter of the rectangle shown below is 16a+2b. Which expression represents the length of the rectangle? 
math
The ratio of one side of a polygon to the corresponding side of a similar polygon is 5:8 The perimeter of the second polygon is 96. What is the perimeter of the first polygon. 
math
The apothem of a regular polygon is the distance from the center to any side. If the length of the apothem remains constant at 10 inches, the formula for the perimeter of a regular polygon as a function of the number of sides is ( … 
math
Heather is solving an equation by graphing the expressions on both sides. If her graph intersects at an infinite number of points, which statement could describe the equation Heather is attempting to solve? 
math
Each side of a polygon is 0.29cm in length And its perimeter is 1.74cm. How many sides does the polygon has? 
Maths
Each side of a regular polygon is 4.05 cm in length. How many sides does the polygon have if its perimeter is 0.486m ? 
Maths
Each side of a regular polygon is 4.05 cm in length. How many sides does the polygon have if its perimeter is 0.486m ?