Question

what does the notation ro,90°,b(dab) mean? 270° 90° 180° over the y - axis over the x - axis around b around a around d around the origin counter - clockwise clockwise rotation reflection

Explanation:

In transformation notation, the 'R' stands for rotation. The sub - script 'O' represents the center of rotation (in this case point B), and the angle of rotation is 90°. Rotation can be clockwise or counter - clockwise. The convention is that a positive angle indicates a counter - clockwise rotation.

Answer:

Counter - clockwise, Rotation, Around B, 90°