Question

Describe fully the single transformation that maps triangle A onto triangle B.

5
A
4
B
3
2
1
1
-5 -4 -3 -2 -1 0
-1
2 3
х
5
5
-2
و دن د
-3
-4
-5
x+
Describe fully the single transformation that maps triangle A onto triangle B

Answer 1

reflection in the line y=4

Explanation:

Triangle B is a mirror image of Triangle A. Point (-1, 4) is shared between the two figures, so is invariant in the transformation.

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Triangle B is a reflection of Triangle A in the horizontal line y=4.