Ask questions and get helpful answers.

One triangle has side lengths 3,5, and 6. A similar triangle has side lengths 18, 15 and 9. Which of the following ratios is the scale factor of the triangles?

A 1/6
B 1/3
C 1/5
D 2/3

The answer is given as B, but I don't understand why or how to get that. Please help.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
2 answers
  1. longest sides: 18/6 = 3
    check
    15/5 = 3 and 9/3 = 3
    so
    1/3

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. Thank you!

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.