What geometric properties make “SOS” a good choice
for the international distress symbol?

asked by Kirk
  1. There are three letters and the Morse Code of each is three easily remembered pattern of dots or dashes.

    *** --- ***

    posted by drwls
  2. It has point symmetry, so it looks the same rotated by 180 degrees.

    posted by Nana

Respond to this Question

First Name

Your Answer

Similar Questions

  1. english

    hey everybody!I will make a presentation in the class few days later.Anyone watched The others(2001)?I got a question.Who is the woman in distress in the film and why is she in distress? thanks..
  2. physics

    What is true about microscopic properties of an object? 1) They are just small versions of the macroscopic properties. 2) They are the properties of particles that make up the object. 3) They are the average of many properties of
  3. business communication

    Which of the following is not a good guideline to follow when writing to international audiences? a. write in the reader's language if you have any knowledge of the language at all; doing so greatly increases goodwill, even if you
  4. English (poetry)

    Create a symbol and write a short essay on what the symbol means. This should be a piece of short fiction using the symbol as the central focus in the essay or a poem either using the symbol as a focus or describing the symbol’s
  5. Elem. Ed.

    Which would not be a benefit for a child when their parent participates in their classroom? 1.the child feels special and important. 2.the child feels transitory distress by having to say good-bye to a parent twice in one morning.
  6. math

    evaluate the expressions below and leave them in radical form. 1. sin(pie symbol/6)csc(pie symbol/6) 2. sec(pie symbol/3)cos(pie symbol/3)+tan(pie symbol/3)cot(pie symbol/3)
  7. English

    Please check my answers! This story was pretty confusing to me. 1. The purpose of the anecdotes in "The Last Judgment" about each person Kugler has known serve most to A. generate sympathy for Kugler B. Add characters to the story
  8. Pe

    ______ Can help you reach your goals Eustress Distress A phobia A compulsion I think it is distress
  9. Geometric Series

    Evaluate the geometric Series or state that it diverges lower bound k= 1 upper bound = infinity E (sum symbol) E 5(-1/6)^(5k) I know it converges but im not sure to what
  10. Math

    5 6 15 9=24 I am trying to determine what symbol I need between each number to make the sentence true. +, - X or / I am not clear if I can use the same symbol multiple times in the equation

More Similar Questions