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luisz
Group Title
In the figure above, ED=EC, the area of square ABCD
is 100, and the area of triangle DEC is 10. Find
the distance from A to E
 one year ago
 one year ago
luisz Group Title
In the figure above, ED=EC, the area of square ABCD is 100, and the area of triangle DEC is 10. Find the distance from A to E
 one year ago
 one year ago

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luisz Group TitleBest ResponseYou've already chosen the best response.1
dw:1347747550774:dw
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
I know that a side of the square is 10
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
So DC equals 10
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
So AD equals 10
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
I do not know what DE equals, though
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.0
dw:1347747747441:dw
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
Are you trying to form a right triangle?
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
IF you are, one side would equal 5
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
So the height of the smaller triangle equals 2
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
do you add 10 plus 2?
 one year ago

KingGeorge Group TitleBest ResponseYou've already chosen the best response.1
You beat me to the height. nice job. But you don't add them yet.
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
well one side is 5
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
another side is 10 plus 2...
 one year ago

KingGeorge Group TitleBest ResponseYou've already chosen the best response.1
dw:1347747944748:dwYou need to find the length of x in this.
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
so do you use pythagorean theorem?
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
x in that would be square root of 29
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
if you use pythagorean theorem
 one year ago

KingGeorge Group TitleBest ResponseYou've already chosen the best response.1
Right. So that means that DE=\(\sqrt{29}\) and AD=10.
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
12 squared plus 5 squared=169
 one year ago

luisz Group TitleBest ResponseYou've already chosen the best response.1
square root of 169 is 13
 one year ago

KingGeorge Group TitleBest ResponseYou've already chosen the best response.1
Oh, yes. I was thinking of the wrong distance. That's correct.
 one year ago
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