Stage 9 - Q6 - 3 marks
20052
A pupil says a centre inside a shape cannot be found using corresponding-vertex rays. Use these squares to test the claim.
x
y
-6
-6
-5
-5
-4
-4
-3
-3
-2
-2
-1
-1
1
1
2
2
3
3
4
4
5
5
6
6
0
Object
Image
A
B
C
D
A'
B'
C'
D'
Hint
Extend each corresponding-vertex line through the inner square.