Mathematics: What is the image of (1, -6) for a 180° counterclockwise rotation about the origin?

As we know, sum of interior angles of a triangle is 180° that is ~ Hence, value of x is 9°...

What is the image of (1, -6) for a 180° counterclockwise

kestegag7162

07.01.2022

Option 'b' is correct.

Step-by-step explanation:

Since we have given that

(1,-6) is the given coordinate.

As we have to rotate 180° counterclockwise.

Then, it will go to the second quadrant.

And we know that in II nd quadrant, x- axis is in the negative side and y-axis is in the positive side.

So, The image of (1,-6) becomes (-1,6)

Hence, Option 'b' is correct.

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Mrblunt5613

09.12.2020

$\huge \bf༆ Answer ༄$

As we know, sum of interior angles of a triangle is 180°

that is ~

$\sf13x + 2 + 5x - 7 + 3x - 4 = 180$ $\sf21x - 9 = 180$ $\sf21x = 180 + 9$ $\sf x = \dfrac{189}{21}$ $\sf x = 9 \degree$

Hence, value of x is 9°

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