annipuppi
Find the values of the variables in the parallelogram.
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annipuppi
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myininaya
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Use the fact the triangles are congruent.
annipuppi
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Sorry I went to eat dinner. Can you explain some more @myininaya
jdoe0001
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means, the corresponding sides and angles in each will equal each other
myininaya
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Congruent means you can find all 3 angle and all 3 side measurements in both triangles.
jdoe0001
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the really long side with the other really long side equals to each other
the shorter one with the other
and the last one with the last one of the other
jdoe0001
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same goes for the angles
annipuppi
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So x=109 y=48 and x=48? How do you know the triangles are congruent?
jdoe0001
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so just mix and match =)
myininaya
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|dw:1385855900235:dw|
jdoe0001
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x = 109?
myininaya
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Because of the SSS rule.
annipuppi
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i meant z=109.. wait so x doesn't equal 48 then... how do I find x?
jdoe0001
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recall that all internal angles SUM UP to 180
myininaya
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You can also use the fact the angles in a a triangle add up to be 180 degrees.
annipuppi
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okay so z=109, x=33, and y=38?
jdoe0001
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:)