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In a circle, the length of an arc of centra angle 25® is 4cm. What is the length of an arc of central angle 75
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When a rectangle is dilated, how do the perimeter and area of the rectangle change?
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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.
Answers: 1
In a circle, the length of an arc of centra angle 25® is 4cm. What is the
length of an arc of centr...
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