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OpenStudy (theislander):
What is the area of this triangle?
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OpenStudy (theislander):
OpenStudy (ranga):
Area of a triangle = 1/2 * base * height ---- (1) Think of the vertical line as the base. base = (y2 - y1) Height = (x3 - x1) Plug them into the formula in (1)
OpenStudy (theislander):
thank you, answer is D
OpenStudy (ranga):
yes. you are welcome.
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