Geometry help, please? 3 questionsAny help appreciated!
1 answer:
1. The rule (x, y) →(x-1, y+2) means that every point of the original figure, must be shifted 1 unit left, and 2 units up. Check the picture.
2. The rule (x, y)→ (x, -y) means that every point of the original figure is reflected with respect to the x-axis.
A(7, 4) becomes A'(7, -4)
B(6, 8) becomes B'(6, -8)
C(2, 3) becomes C'(2, -3)
3.
The transformations are: 1 translation 2 units right, followed by a reflection across the y-axis.
(the choices are not correct)
2. The rule (x, y)→ (x, -y) means that every point of the original figure is reflected with respect to the x-axis.
A(7, 4) becomes A'(7, -4)
B(6, 8) becomes B'(6, -8)
C(2, 3) becomes C'(2, -3)
3.
The transformations are: 1 translation 2 units right, followed by a reflection across the y-axis.
(the choices are not correct)
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Answer:
C
Step-by-step explanation:
There’s nothing hard with this
You need to know special right triangles
This is a 30,60, 90 triangle
We automatically know becuase theres. Right angle (90) and a 60 degree angle
now the formula is the smallest side is (n) {I’m using N becuase theres already an X) or in this case, 6
The hypotenuse, the one directly above the 2nd biggest side, or the diagnoal side is 2n or (12). Now we know what X is in this situation which is 12. So that narrows it to 2 answers
Now the side on the bottom of the hypotenuse, the second biggest side is used in the formula N. So we know what N is in the beginning, 6 so we just plug that in and well get C. Attached is a photo on q 30, 60, 90 special right triangle
