Question

Write down fifteen angles (less than 180°) involved in figure.

Answer 1

The names of fifteen angles (less than 180°) involved in figure are:

∠AEC, ∠ADB, ∠EAD, ∠EFD, ∠EFB, ∠DFC, ∠FBC, ∠FCB, ∠BFC, ∠ABC, ∠ACB, ∠DCF, ∠FDC, ∠EBF and ∠BEF.