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vitfil [10]
3 years ago
10

Hey guys, I need help with these Scale factor problems! problems are linked in a screenshot below:

Mathematics
1 answer:
AVprozaik [17]3 years ago
7 0

Answer:

  1. A → B: 1/3
  2. correct
  3. A → B: 2/5

Step-by-step explanation:

It is clear from your answer to the second part that you know the A→B scale factor is the reciprocal of the B→A scale factor. Use that fact for the other two parts of the question.

  1. A → B = 1/3; B → A = 3
  2. A → B = 2; B → A = 1/2
  3. A → B = 2/5; B → A = 5/2

__

It is convenient to find a unit length (or the smallest length) on the smaller figure, then see how much that is multiplied by to get the larger figure.

  1. B : A = 1 : 3
  2. A : B = 1 : 2
  3. B : A = 2 : 5

Once you have these ratios, you need to determine what the notation A→B is supposed to mean. Here, we presume it means B/A.

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