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OpenStudy (anonymous):
PLEASE HELP
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OpenStudy (anonymous):
what
OpenStudy (anonymous):
OpenStudy (precal):
is J 130? If so then 3 is 50 degrees
OpenStudy (precal):
|dw:1334883920170:dw|
OpenStudy (precal):
A line is 180 degrees
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OpenStudy (inkyvoyd):
Ok. Let me help...
OpenStudy (inkyvoyd):
First we need to determine properties of the quadrilaterals.
OpenStudy (inkyvoyd):
*classify the quadrilaterals.
OpenStudy (inkyvoyd):
Can you tell me which are trapezoids and which are parallelograms?
OpenStudy (precal):
3 and 1 are verical angles and are the same
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OpenStudy (anonymous):
13 are trap 24 are para
OpenStudy (inkyvoyd):
Alright, good.
OpenStudy (inkyvoyd):
Now what do we know about 2 and 4 since they are parallelograms?
OpenStudy (inkyvoyd):
(Adjacent angles are supplementary, and opposite angles are congruent in a parallelogram)
OpenStudy (anonymous):
so how do i figure out
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OpenStudy (inkyvoyd):
Well, angles next to each other in a parallelogram add up to 180 degrees. Angles across from each other have the same measure.
OpenStudy (precal):
|dw:1334884743964:dw|
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