the point a(5,-1) on reflection in x-axis is mapped as A.Also ,A" on reflection in y-axis is mapped on A".calculate the distance A'A".
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reflection of point(5,-1) in x axis
A(5,1)
and I n y axis A"(-5,-1)
the distance between A andA"
=√(-4-5)^2+(-1-1)^2
=√(-9)^2+(-2)^2
√81+4
=√85
A(5,1)
and I n y axis A"(-5,-1)
the distance between A andA"
=√(-4-5)^2+(-1-1)^2
=√(-9)^2+(-2)^2
√81+4
=√85
Devkr12:
its wrong
Answer is 10 units
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16
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Hope it will help u......
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