Reflection
This grid acts as if its axis (the line in its centre) is a mirror.
Click on a square its reflection is shown on the other side of the axis
Clear the grid
The grid below has a nine-sided irregular shape drawn in its second quadrant.
Move your mouse pointer over the shape to see its reflection across the y axis.
Can you complete the statement below?
The co-ordinates of the vertices (corners) of the shape above are:
( -10, 4 ), ( -10, 5 ), ( -7, 8 ), ( -4, 8 ), ( , ), ( , ), ( , ), ( , ), ( , ).
Can you list the co-ordinates of the shape's reflection across the y axis?