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#1 2013-04-01 04:00:19
- cooljackiec
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- Registered: 2012-12-13
- Posts: 186
similar triangles?
In ,quadrilateral QRTS we have QR = 11,QS = 9 , and ST=2. Sides RQ and ST are extended past Q and S , respectively, to meet at point P. If PS=8 and PQ=5, then what is RT?
I see you have graph paper.
You must be plotting something
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#2 2013-04-01 04:04:07
- anonimnystefy
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- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: similar triangles?
I would say 18.
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#3 2013-04-01 04:13:07
- cooljackiec
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- Registered: 2012-12-13
- Posts: 186
Re: similar triangles?
thanks! my teacher gives me hard hwk.
In ,
points X and Z are on AB and Y is on AC such that XY||BC and ZY||XC. If AZ=8 and , ZX=4 then what is XB ?I see you have graph paper.
You must be plotting something
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#4 2013-04-01 04:16:57
- anonimnystefy
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- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: similar triangles?
Do you understand why the answer is 18 for the last one?
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#5 2013-04-01 04:19:35
- cooljackiec
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- Registered: 2012-12-13
- Posts: 186
Re: similar triangles?
yah i get it. you add some extra lengths to 5 and 8 and then you get similar triangles. i did not see that at first.
I see you have graph paper.
You must be plotting something
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#6 2013-04-01 05:08:22
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: similar triangles?
Well, for the second problem, I would say the answer is 6.
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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