Triangle ABC has its vertices at the following coordinates:

Mathematics

1 answer:

-Dominant- [34]2 years ago

3 0

Answer:

A( 2,-5)B(3,-1)C(1,-5)

Step-by-step explanation:

I know that the coordinates must flip through the origin but not sure of the signs(+or -)

then the shape us in the second quadrant of the graph and 90 degrees should be on the fourth quadrant not first( that is 180 clockwise) or third(.180 anti.clockwise)

I hope by God, s grace am correct.

please confirm from others

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Darina [25.2K]

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Answer:

y = -1

Step-by-step explanation:

Sides marked with the same marking are congruent, so we have two equations:

3x -y = 16
2x +y = 9

Adding the equations gives ...

5x = 25

x = 5 . . . . . . divide by 5

Then the second equation tells us ...

y = 9 -2x = 9 -2(5) = -1

The value of y is -1.

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Answer:

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