anonymous
  • anonymous
Suppose the area of a square plaque is one hundred sixty-nine square inches. What is the length of each side of the plaque? thirteen squared thirteen inches one hundred sixty-nine inches the square root of thirteen inches
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Mertsj
  • Mertsj
How do you find the area of a square?
anonymous
  • anonymous
i have no idea.........
Mertsj
  • Mertsj
Do you know what a square is?

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anonymous
  • anonymous
a figure with 4 equal sides?
Mertsj
  • Mertsj
And 4 right angles.
Mertsj
  • Mertsj
|dw:1332355291411:dw|
Mertsj
  • Mertsj
Count the squares. What is the area?
anonymous
  • anonymous
160
anonymous
  • anonymous
is the area
Mertsj
  • Mertsj
Count again
anonymous
  • anonymous
there are 16 squares but the question states that there is an area of 160...
Mertsj
  • Mertsj
Forget about the question. We'll get to that. I'm trying to teach you how to find the area of a square.
anonymous
  • anonymous
oo ok then yea there are 16 squares within the square
Mertsj
  • Mertsj
And that it the area of that square. Now here is another one. tell me its area.
Mertsj
  • Mertsj
|dw:1332355584239:dw|
anonymous
  • anonymous
9
Mertsj
  • Mertsj
So how do you find the area of a square?
anonymous
  • anonymous
by multiplying the length and he width
Mertsj
  • Mertsj
Which, in the case of a square, are the same thing. So you can find the area of a square by squaring one of the sides. Are you with me?
anonymous
  • anonymous
yea i am
Mertsj
  • Mertsj
Good for you. Now let's get to your problem. You have a square whose area is 169
Mertsj
  • Mertsj
|dw:1332355801584:dw|
Mertsj
  • Mertsj
Could the sides be 10?
anonymous
  • anonymous
so u divide 169 by 4? and no they could not be 10
Mertsj
  • Mertsj
Why not?
anonymous
  • anonymous
because 10 * 10 = 100
Mertsj
  • Mertsj
Exactly. Is 10 to big or too little?
anonymous
  • anonymous
the answer to the question is 13 squared....
anonymous
  • anonymous
aint it?
Mertsj
  • Mertsj
13 squared is 169. Is 169 times 169 equal to 169?
anonymous
  • anonymous
no
Mertsj
  • Mertsj
|dw:1332356009521:dw|
Mertsj
  • Mertsj
Then the answer cannot be 13 squared.
anonymous
  • anonymous
your right its just 13 inches i read the problem wrong thank you for being so patient with me!
Mertsj
  • Mertsj
yw

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