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OpenStudy (tackopp):
What is the area of Triangle PQR on the grid?
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OpenStudy (tackopp):
OpenStudy (seratul):
Use the distance formula for each line and add the three together.
OpenStudy (tackopp):
how do you find the coordinates?
OpenStudy (seratul):
Oh lol... I don't think you can answer this question then... Maybe @mathmale can confirm.
OpenStudy (triciaal):
@Seratul yes distance formula for the lengths but not add for the area. you were thinking add for the perimeter.
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OpenStudy (triciaal):
the area of a triangle is 1/2 base times perpendicular height here if PR is the base the perpendicular from Q is 3 units
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