Asked by Anonymous
Draw triangle ABC with vertices A(4,2), B(1,2) and C(1,4) using a scale of 1cm to represent I unit on each axis. Draw Triangle A’B’C’ under the reflection in the line y = 1, then triangle A’’B’’C’’ under a reflection in the line x = 0.
Answers
Answered by
oobleck
to reflect across y=1, (x,y) → (x,2-y)
across x=0 (the y-axis), (x,y) → (-x,y)
so make the needed adjustments.
Of course, if you're just doing the drawing as requested, simply flip your ruler across the indicated line. That's easy enough if you're using graph paper.
across x=0 (the y-axis), (x,y) → (-x,y)
so make the needed adjustments.
Of course, if you're just doing the drawing as requested, simply flip your ruler across the indicated line. That's easy enough if you're using graph paper.