JAVA worksheet B
Use the RESET button (top-right) to go back to START.
Use the RUN/PAUSE button (bottom-left) to RUN the animation.
When the animation has finished,
RESET, carefully pick-up and DRAG point A, D or E to a new position, RUN the animation again;
OR: don't RESET but DRAG point A, D or E. Will the triangles still match up?
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