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