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Question:A triangle with angles of 30°, 60° and 90° is dilated by a scale factor of 3. What happens to the angles?

Answer: Choice C (They stay the same.)

Step-by-step explanation:

A.They are tripled.

B.They are divided by 3.

C.(They stay the same.)

Using dilation rules, it is found that the measures of the angles do not change, that is, they are still of 30 degrees, 60 degrees and 90 degrees.

  • The concept of dilation states that it changes the lengths of the sides of a figure, but not the angles.
  • In this problem, the triangle is dilated by a factor of 3, thus, the length of the sides of the triangle will be of one-third of the original, but the angles stay the same.
  • Thus, the angles are still of 30 degrees, 60 degrees, and 90 degrees.

A similar problem is given at https://brainly.com/question/18303818