- The fastest person who answer correctly will get 1 point/question/answer

- You can still answer my old question at https://e-learning.codienhanoi.edu.vn/discuss/member/leanhduy0206 and get point

THE QUESTIONS TODAY ARE:

12) Given \(\Delta ABC\) (AB = AC). Find\(\widehat{ABC}\) 

13) Andy and Beth is in a race at the pool. Andy runs around the pool while Beth swims by the length of the pool. Knowing that:

     - Andy is three times as fast as Beth

     - The time Beth swims 5 turns is equal to the time that Andy runs 6 turns around the pool

     - The length of the pool is 50m

What is the width of the pool?