Skip to main contentSkip to solution

Solution

Correct Option: 1

Counting all distinct triangles formed by the lines inside the main triangle ABC (including smaller and overlapping ones such as ABC, ACD, ABD, ABF, AFE, AFD, FCD, FBC, EFD, EBD, FBD, ABE) gives a total of 12 triangles.

Keyboard Shortcuts

  • Left arrow: Previous question
  • Right arrow: Next question
  • S key: Jump to solution
  • Q key: Jump to question