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rockyroad19
rockyroad19
13.11.2020 • 
Mathematics

Figure EFGH on the grid below represents a trapezoidal plate at its starting position on a rotating surface:
y
E
10
9
8
NO
He
F
3
G
2
Х
H+++
-199-8-7-6-5-4-3-241 1 2 3 4 5 6 7 8 9 10
-2.
-3
-4
-5
-6
-7
-B
-9
-10
ON
The plate is rotated 90° about the origin in the counterclockwise
direction. In the image trapezoid, what are the coordinates of the
endpoints of the side congruent to side FG? (1 point)
1) (7,-5) and (4, -3)
2) (5, 7) and (3, 4)
3) (-5, -7) and (-3,-4)
4) (-5, -7) and (-8,-4)

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