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Rotate the triangle 180° counterclockwisearound the origin and enter the newcoordinatesCOULDEnter thenumber thatbelongs in the

Rotate the triangle 180° counterclockwisearound the origin and enter the newcoordinatesCOULDEnter-example-1
User Tracy
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1 Answer

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A rotation of 180° counterclockwise is given by the rule:


(x,y)\rightarrow(-x,-y)

Then, since the coordinates of A are (1,-1), we can find the coordinates of A' by applying the rule.


A(1,-1)\rightarrow A^(\prime)(-1,1)

Since the box corresponds to the first coordinate of A', then:


?=-1

User Somebadhat
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