3 years ago

The width of the figure below is 5 units. The perimeter of the figure is 18 units. What is the length of the figure in units?

2 answers:

4 0

The perimeter is all sides length added together. You can make an equation:5+5+x+x where x is the length.
5+5=10 18-10=8 There is two sides so you do eight divided by two
The length is 4

timurjin [86]3 years ago

3 0

Perimeter = 18 units.
width = 5 units.

Perimeter = 2*(l + w)

18 = 2*( l + 5)

18/2 = l + 5

9 = l + 5

l + 5 = 9

l = 9 - 5 = 4

Length = 4 units.

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