1. HARD

\(\frac{5}{7}\div\frac{4}{9}=\)

  1. \(\frac{20}{63}\)
  2. \(\frac{28}{45}\)
  3. \(\frac{63}{20}\)
  4. \(\frac{45}{28}\)
  5. None of the above
 
2. HARD

\(\frac{3}{13}\div\frac{5}{8}=\)

 
3. HARD

Show that in the diagram below, \(|AX|\cdot|XB|=|CX|\cdot|XD|\). This is known as the Power of a Point Theorem.

  • foo
  • bar
  • baz
  • qux