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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
 2 years ago
 2 years 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
 2 years ago
 2 years ago

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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