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17-09-2020
Mathematics

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Triangle ABC is reflected over the line y = x to produce triangle A'B'C'. What will be the coordinates of A'? A (2,−1) B (−2,−1) C (2,1) D (1,2)

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lifelongknowledge62 lifelongknowledge62

17-09-2020

Answer:

when P(x,y) is reflected in y=x line then

P(x,y) = P(y,x)

A(2, -1)= A(-1, 2)

B(-2, -1) = B(-1, -2)

C(2, 1)= C(1, 2)

D(1,2)= D(2,1)

Step-by-step explanation:

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