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OpenStudy (hba):
In the xy -plane, what is the area of a triangle whose vertices are(underoot2,0) ,(2,underroot 10) and (5,0) ?
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OpenStudy (anonymous):
what is underroot?
OpenStudy (hba):
what u dont know whats underroot \[\sqrt{2}\]
OpenStudy (anonymous):
you mean square root
OpenStudy (hba):
yeah
OpenStudy (anonymous):
What you can do is find the the lengths of sides and use the 1/2 * b*h=area
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OpenStudy (anonymous):
use the formula of distance between two points
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