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Arisa [49]
3 years ago
10

12. Algebra Two similar figures are similar based on

Mathematics
1 answer:
algol [13]3 years ago
8 0

Answer:

  • a = ± 2

Step-by-step explanation:

Let the scale factor is k.

<u>Then the transformation is:</u>

  • (x, y) → (kx, ky)

<u>We have:</u>

  • (x, y) → (12x, 3a²y)

<u>The scale factor is k = 12, find the value of a:</u>

  • 3a² = 12
  • a² = 4
  • a = √4
  • a = ± 2
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