Use GeoGebra to explore the properties of rotations and complete each step belov GeoGebra
Question 1
Move the slider to rotate AABC. At which angles does AA'B'C' coincide with AA
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If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.