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Alex777 [14]
3 years ago
14

What are the coordinates of D’ when the quadrilateral is reflected across the line y = x? On a coordinate plane, quadrilateral A

B C D has points (1, 2), (2, 4), (4, 3), (3, 1). A(1, 3) B (2, 4) C(3, 4) D(1, 1)
Mathematics
1 answer:
natita [175]3 years ago
7 0

Answer:

D' (1, 3)

Step-by-step explanation:

When reflected across the y = x line, the "x" and "y" coordinates switch.

If D is (3, 1), then:

x = 3

y = 1

Switch the "x" and "y" values, and rewrite as (x, y).

x = 1

y = 3

D' (1, 3)

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