The diagram shows a circular track with AB as its diameter. Betty starts walking from point A and David starts from point B.
They walk toward each other along the circular track. They meet at point C which is 80 m from A the first time. Then, they meet at point D which is 60 m from B the second time. What is the circumference of the circular track?

Question

The diagram shows a circular track with AB as its diameter.   Betty starts walking from point A and David starts from point B.  
 They walk toward each other along the circular track.    They meet at point C which is 80 m from A the first time.    Then, they meet at point D which is 60 m from B the second time.   What is the circumference of the circular track?

anonymous · Answer

attachment

anonymous · Answer

Where did you get this question from? What level is this

cwrw238 · Answer

i dont think theres enough information given  to solve this problem