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Mathematics

2 answers:

andreyandreev [35.5K]3 years ago

5 0

Answer: Origin, 8,0, 8,3,and 0,3

Step-by-step explanation:

Firstly, it tells us that we need to rotate it around the origin, so no matter what, the origin will always be one of our coordinate. After that -10 and -2 has an 8 difference, so if it is 180 degrees, the co-ordinate must be 8 since the origin and 8 is also a difference of eight.

Secondly, now when we need to find out the height, we know that 5 and 2, which are the heights of D and C, the difference is 3. So x-0=3, well, we already know that x is 3 because 3+0=x. That means DC on the other side is 0,3 since we always read the x axis first and then the y. And there you go! You now know the 4 co-ordinates! They are 0,0 , 8,0 , 8,3 and 0,3

Hope this helps :>

Alchen [17]3 years ago

3 0

Answer:

B'(10, -2), C'(2, -2), D'(2, -5), E'(10, -5)

Step-by-step explanation:

The rule for rotation by 180 degrees about the origin is (x,y) → (-x,-y)

Hence,

B(-10, 2) → B'(10, -2)

C(-2, 2) → C'(2, -2)

D(-2, 5) → D'(2, -5)

E(-10, 5) → E'(10, -5)

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______________________________

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