Question

the lenght of a rectangle is 2 centimenters longer than its width. the perimeter is 16 centimenters. what are the lenght and width of the re

Answer 1

Can you try to make this information into two equations?

Answer 2

not really. I don't know where to begin

Answer 3

Ok, so if the length is 2 cm longer than its width, we can say that:

\[l = w + 2\text{ cm}\]

Right? What does the perimeter tell us?

Answer 4

I am still stuck

Answer 5

Well, what is the perimeter of a rectangle?

Answer 6

l+w=16 ?

Answer 7

Exactly. (16 cm, in this case.)

Answer 8

ok. then what do I do?

Answer 9

w+2cm+w=16cm?

Answer 10

is that right so far

Answer 11

Sorry, yes, that's right.