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What do similar figures have in common?
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Same shape
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Same perimeter
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Same area
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Same angles
If one side of a triangle is proportionally doubled, how does the area change?
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Doubled
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Quadrupled
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Halved
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No change
What's the relationship between the perimeters of similar polygons?
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Directly proportional
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Inversely proportional
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No relationship
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Equal
How are the areas of similar triangles related if the ratio of their sides is k:1?
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$$k^2$$ times
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k times
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$$k^3$$ times
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k−1 times
If a rectangle's length and width are both doubled, how does the area change?
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Doubled
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Quadrupled
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Halved
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No change
What's the ratio of the areas of two similar circles if their radii are in a 2:5 ratio?
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2:5
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4:25
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5:2
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25:4
If the side length of a square is tripled, how does the area change?
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Tripled
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Nine times
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Halved
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No change
What's true about the angles in similar figures?
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They are congruent.
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They are acute.
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They are obtuse.
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They vary.
How does the ratio of the areas of two similar rectangles change if their sides are doubled?
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Doubled
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Quadrupled
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Halved
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No change
If a triangle's height is halved while its base remains unchanged, how does the area change?
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Halved
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Doubled
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Quadrupled
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No change
What's the relationship between the areas of similar polygons?
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Directly proportional
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Inversely proportional
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No relationship
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Equal
How does the ratio of the perimeters of two similar squares change if their sides are doubled?
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Doubled
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Quadrupled
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Halved
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No change
What's the ratio of the perimeters of two similar rectangles if their sides are in a 3:4 ratio?
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3:4
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4:3
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9:16
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16:9
How does the area of a triangle change if its height and base are both doubled?
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Doubled
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Quadrupled
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Halved
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No change
What's the ratio of the areas of two similar squares if their side lengths are in a 1:3 ratio?
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1:3
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1:9
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3:1
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9:1
