Question

( 2 owl bucks and medal)
Help?
Question:http://prntscr.com/8wh5i9
Page 24:http://prntscr.com/8wh56y

Answer 1

What grade are you in?

Answer 2

9th , I get confused by this stuff :P

Answer 3

@jim_thompson5910 is the man! xD

Answer 4

Oh, he's already here.

Answer 5

I'm not exactly sure what they are looking for, but another way to write the perimeter is to add up all 4 sides, so we just add up s four times

Perimeter = (side1) + (side2) + (side3) + (side4)
P = s + s + s + s

If we simplify things we end up with 4s like they got on page 24

Answer 6

heres the full thing if you need it http://prntscr.com/8whcgj

Answer 7

I'm guessing you already have the one with "-3a" already done?

Answer 8

yes

Answer 9

maybe another way is to use

P = 2*(L+W)

which is the perimeter of a rectangle. All squares are rectangles, so this is valid. In this case, L = s and W = s, so

P = 2*(L+W)
P = 2*(s+s)
P = 2*(2s)

and simplifying that last equation gives P = 4s like before

Answer 10

Thanks that cleared things up for me lol (:

Answer 11

you're welcome

Answer 12

Wouldn't expect any less from jim. Good job!