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Spring98
 one year ago
Angle ABC is formed by segments AB and BC on the coordinate grid:
Spring98
 one year ago
Angle ABC is formed by segments AB and BC on the coordinate grid:

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Spring98
 one year ago
Best ResponseYou've already chosen the best response.1https://cvkettlefalls.brainhoney.com/Resource/30603643,0/Assets/75195_53df876f/02_04_07.gif

Spring98
 one year ago
Best ResponseYou've already chosen the best response.1Angle ABC is rotated 90 degrees counterclockwise about the origin to form angle A'B'C'. Which statement shows the measure of angle A'B'C'? A. m∠A'B'C' = 90 degrees B. m∠A'B'C' = 180 degrees C. m∠A'B'C' = m∠ABC D. m∠A'B'C' = 2 ×m∠ABC

Spring98
 one year ago
Best ResponseYou've already chosen the best response.1@Michele_Laino can you help me?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0a rotation around the origin of the whole cartesian plane doesn't affect the measure of the amplitude of an angle

Spring98
 one year ago
Best ResponseYou've already chosen the best response.1so how do i find my answer?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0for example, after rotation, we have: point C goes to C'=(2,3) point B goes to B'=(3,5) point A goes to A'=(4,3)

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0try to draw those new points A', B', and C' please

Spring98
 one year ago
Best ResponseYou've already chosen the best response.1ok i did it on geogebra so what would the answer be @welshfella
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