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podryga [215]
3 years ago
10

Troy drew a triangle with coordinates ( 5 , 6 ) , ( 5 , 4 ) , and ( 8 , 4 ) . He rotated the triangle 180° about the origin. Wha

t are the coordinates of the image? Select all that apply.
A. (−5, 6)
B. (−5, −4)
C. (−5, −6)
D. (−8, −4)
i hate doing this but i really dont know the answer and im already failing :( please help
Mathematics
2 answers:
jenyasd209 [6]3 years ago
6 0

Answer:

The answers are B, C, and D.

Step-by-step explanation:

When you rotate an image 180° about the origin, you are flipping it twice. An easy rule is that an (x, y) pair becomes (-x, -y). Now just reverse the sign of the coordinates. Our rotated shape has the coordinates (-5, -6), (-5, -4), and (-8, -4).

wel3 years ago
4 0

Answer:  C. (−5, −6)          D. (−8, −4)

Step-by-step explanation:

We know that the rule for rotation a shape by 180^{\circ} (counterclockwise or clockwise) is given by :-

(x,y)\to(-x,-y)  [Polarity of coordinates gets changed]

Given : Troy drew a triangle with coordinates ( 5 , 6 ) , ( 5 , 4 ) , and ( 8 , 4 ) . He rotated the triangle 180° about the origin.

Then, the coordinates of the image will be :-

( 5 , 6 )\to(-5,-6)

( 5 , 4 )\to(-5,-4)

( 8 , 4 )\to(-8,-4)

From the options, the coordinates of the image = (-5,-6) and (-8, -4)

Hence, option C and D are correct.

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