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OpenStudy (anonymous):
Triangle ABC is defined by the points A(-2,1), B(1,3), and C(5,-1). The area of triangle ABC, rounded to the nearest hundredth, is square units.
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OpenStudy (anonymous):
would you have to find the distances of the points?
OpenStudy (triciaal):
one approach sketch the diagram to "see" better
OpenStudy (triciaal):
yes use the distance formula to get the lengths area of a triangle = 1/2 * base* height
OpenStudy (anonymous):
Ok thank you can i @ you when i get the answer to see if its right?
OpenStudy (triciaal):
to the nearest hundredths means to 2 decimal places so calculate to 3 then round
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OpenStudy (triciaal):
do it here in the "draw' yes
OpenStudy (anonymous):
ok
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