ACC 7.2 Unit Test

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Last updated 10:13 PM on 9/30/26
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9 Terms

1
New cards

New Length

Original Length x Scale Factor

2
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Scale Factor

New Length ÷ Original

3
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Scale Copy

All side lengths are multiplied by the same factor but all angle measures remain the same

4
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How do you dilate a given point from (0,0)with a scale factor?

Multiply the point by the scale factor

5
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What are the requirements for two shapes to be congruent?

  1. Corresponding angles are congruent

  2. Corresponding sides are congruent


6
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What are the requirements for two shapes to be similar?

  1. Corresponding angles are congruent

  2. Corresponding side lengths are porportional


7
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Does knowing that corresponding angles in two polygons are congruent enough to prove that the shapes are congruent/similar?

Not enough information

8
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Does knowing the corresponding angles in two triangles enough to prove that the shapes are congruent/similar?

Enough to prove similarity

9
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How do you find the slope of a line using multiple triangles on the same line?

Find the height-to-base (height over base) ratios for all the triangle, that fraction will be the slope of the line.