Question

A square banner has an area of 289 square inches.



What is the length of one side of the banner?


A.
13 inches







B.
14 inches







C.
16 inches







D.
17 inches

Answer 1

In a square, are all the sides different lengths, or the same length?

Answer 2

Same lengths??

Answer 3

Correct! So, let's call this metaphorical square's side lengths "x". Now, what is the formula for area of a square?

Answer 4

Opposite sides of a square are both parallel and equal in length. All four angles of a square are equal. (Each is 360°/4 = 90°, so every angle of a square is a right angle.) All four sides of a square are equal

Answer 5

Correct, so what's the formula for area of a square? Use the term "side" to describe the side length.

Answer 6

Area: http://onlinemschool.com/math/formula/area/#h2

Answer 7

I personally know it, but I want you to state it so that we can use it. Please do so.

Answer 8

I don't know that's why I am asking.

Answer 9

Look at the first formula for area given in that link, and just restate that please.

Answer 10

A?

Answer 11

Equals what?

Answer 12

A = the length of side
D = the length of diagonal

Answer 13

To be honest that just confused me more.

Answer 14

Not a problem. I'm just trying to get you to state the formula for area of a square. You gave me some variables for (in one case) an unnecessary part of the square. Just state the area for area of a square please.

Answer 15

I don't know if you realized but I don't know the answer that's why I asked this question and I really don't know the answer to that.

Answer 16

I keep asking because the answer I want is the first formula on the page YOU shared!

Answer 17

1.The formula for the area of a square by the length of a side
The area of a square is equal to squared side.


A = a2


2.The formula for the area of a square by the length of diagonal
The area of a square is half of squared diagonal.

A = 1 d2
2

where A - the area of a square,
a - the lenth of side,
d - the length of diagonal.

Answer 18

Correct. The second formula you gave is not necessary for us to use whatsoever. So, given that your formula is (when slightly changed) "(side length)^2 = (Area)", fill in what you were given in the very start.

Answer 19

Correct for that problem so how does this have anything to do with this problem when clearly it doesn't have the same formula.

Answer 20

Exactly, that's why I said that it's not necessary to post here.

Answer 21

So, try to fill in what you are given into the formula I gave.

Answer 22

I didn't know the answer and needed help it was completely necessary to post here.

Answer 23

I am trying to help!!! That's exactly why I don't just give you the answer! If you'd only try to do the steps I ask, then we'd both get the answer, and you'd learn somewhat (at the very least) how to do problems like this! And besides, every tutor on this site is instructed by the code of conduct to never give answers, and to LEAD you to the answer. If you want answers, then you've come to the wrong place.

Answer 24

I know that!! Whatever just forget the question!

Answer 25

Alright.