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OpenStudy (jh1488345):
The vertices of ABC are A(-2,2) B(6,2) C(0,8). The perimeter of ABC is blank units, and its area is blank square units?
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OpenStudy (eliesaab):
Notice that A and B have the same y coordinates 2
OpenStudy (eliesaab):
Hence AB is parallel to the x-axis
OpenStudy (eliesaab):
Since C(0,8) and the origin O=(0,0) then CO is perpendicular to AB
OpenStudy (eliesaab):
Let H be the point of intersection of CO and AB. What is CH? How long is CH?
OpenStudy (eliesaab):
You should be able to finish it now
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OpenStudy (jh1488345):
Thanks @eliesaab
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