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Module 1 · Learning to Drive

Lesson 5 · The Polygon Function — Knowledge Checks

Name Date

  1. What turn angle will polygon compute for a 12-sided shape (a dodecagon)?

    1. A.12°
    2. B.30°
    3. C.36°
    4. D.90°

    Answer Why?

  2. polygon (8, 25) traces an octagon about 2 m around. What does polygon (8, 50) do?

    1. A.A different shape
    2. B.The same octagon shape, but about twice as big (~4 m around)
    3. C.An octagon at double speed
    4. D.Nothing changes

    Answer Why?

  3. Without a general polygon function, you'd write one function each for square, triangle, pentagon, hexagon, and octagon. With polygon, how many functions do you need?

    1. A.Five
    2. B.One
    3. C.One per shape you draw
    4. D.Three

    Answer Why?