Reflect a triangle in an axis: find the image of a vertex
Apply the reflection rule to the vertex you need.
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Triangle ABC has vertices A(2, −1), B(−3, −2) and C(4, 3). It is reflected: reflection in the x-axis. What are the coordinates of C'?
Answer: (4, -3)
Triangle ABC has vertices A(6, 5), B(−2, 6) and C(2, 5). It is reflected: reflection in the x-axis. What are the coordinates of B'?
Answer: (-2, -6)
Triangle ABC has vertices A(−1, −3), B(3, 5) and C(2, 5). It is reflected: reflection in the y-axis. What are the coordinates of C'?
Answer: (-2, 5)
Tip: Apply the reflection rule to the vertex you need.
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