Geometry help

A small hula-hoop was rolled on the ground.  After rolling exactly 6 times, it went 37.7 feet.  

 

What is the Diameter of the hula-hoop?

 

You got an extra large hula-hoop that has a diameter twice the length of the small hula-hoop.  

 

How far would it go if you got it to roll exactly 8 times?

 

 

Be sure to show all your work!!!
 

  Topic Mathematics Subtopic Geometry
3 Years 1 Answer 1.6k views

Luis Avila

Knowledge Areas : PC/Mac Games, High School

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Answers ( 1 )

 
  1. Graham Woodring 300 Community Answer

    A hula-hoop, or circle, has a circumference of pi*diameter. Therefore, when it rolls once it travels pi*diameter distance. So make the equation 37.7 = 6*pi*diameter. Solve for diameter = 2 feet.


    At diameter = 4 feet the equation is distance = 8*pi*4 = 100 feet.

    UTC 2021-05-19 05:53 PM 0 Comments

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