trinityine
17.09.2019 •
Mathematics
Explain how you would use a number line to find 6+(-8)
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Ответ:
Direction of rotation is counterclockwise around the origin.
Step-by-step explanation:
Given : Point G is rotated 90°. The coordinate of the pre-image point G was (7, –5), and its image G’ is at the coordinate (5, 7).
To find : What is the direction of the rotation.
Solution : We have given that Point G is rotated 90°.
Pre-image of G = ( 7, -5).
Translated image G' = ( 5 ,7).
By the Rotation rule of 90° is : (-y, x) 90 degree rotation counterclockwise around the origin.
(y, -x) 90 degree rotation clockwise about the origin.
We can from G (7,-5) and G'( 5 ,7) it is rotation counterclockwise around the origin.
Therefore, Direction of rotation is counterclockwise around the origin.