close
    1. Home
      2. ›
    2. Science & Mathematics
      3. ›
    3. Mathematics
      4. ›
    4. how do you find the diameter of a circle?
    how do you find the diameter of a circle?

    Answer this
    0  Views: 404 Answers: 2 Posted: 13 years ago
    Comment this question

      2 Answers

      The distance around a circle is called its circumference. The distance across a circle through its center is called its diameter. We use the Greek letter (pronounced Pi) to represent the ratio of the circumference of a circle to the diameter. In the last lesson, we learned that the formula for circumference of a circle is: . For simplicity, we use = 3.14. We know from the last lesson that the diameter of a circle is twice as long as the radius. This relationship is expressed in the following formula: .

      13 years ago. Rating: 1
      Comment this answer

        By measuring the distance across the circle


         

        13 years ago. Rating: 1
        Comment this answer



          Did this answer your question? If not, then ask a new question.

          Top contributors in Mathematics category

           
          ROMOS
          Answers: 313 / Questions: 0
          Karma: 13510
           
          Colleen
          Answers: 367 / Questions: 0
          Karma: 6890
           
          country bumpkin
          Answers: 96 / Questions: 0
          Karma: 6240
           
          Bob/PKB
          Answers: 220 / Questions: 2
          Karma: 5030
          > Top contributors chart
          487546
          questions
          724515
          answers
          818988
          users