Lesson 4.0.5 DOL Dimensional Changes

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4 questions
1

If one rectangle's dimensions are tripled (k=3) what is the effect on the perimeter

1

If one rectangle's dimensions are doubled (k=2) what is the effect on the area

1

What is the scale factor from big to small (small / big)

1

The triangles are similar, find the area of the smaller triangle (use the scale factor in previous question)