Question & Answer

The triangle shown will be rotated 90° clockwise about the origin. What are the new coordinates of point B?

The triangle shown will be rotated 90° clockwise about the origin. What are the new coordinates of point B?
A (2, -4)
B (2, 4)
C (4, -2)
D (-4, -2)

1 Answer

Verified archive
Quizzma TeamMay 1, 2025

To rotate a point 90° clockwise about the origin, you can use the following transformation:

If the original coordinates are (x, y), the new coordinates after a 90° clockwise rotation will be (y, -x).

For point B (2, 4):

– x = 2

– y = 4

Applying the transformation:

– New x = 4

– New y = -2

So the new coordinates of point B after the rotation will be (4, -2).

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