GRAPHICAL TRIANGLE
What is the area, (in square units) of the triangle formed by the three lines whose equations are: y − x = 6, x − 2y = 3 and x + y = 6?
Lick here to download the GRAPHICAL TRIANGLE worksheet
Click here for the Notes for Teachers.
This problem is adapted from the NRICH task Graphical Triangle with permission of the University of Cambridge. All rights reserved.
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