Question

A,B,C si D,B,E sunt puncte colineare. Aflati masurile unghiurilor a) m( b) m( c) m( d) m(DBC)=144 grade 56 min 30 sec

Answer 1

DBC= 144grade 56 min 30 sec

ABE= 144grade 56 min 30 sec (opuse la varf)

EBC= 180 grade - 144grade 56 min 30 sec=

       = 179grade 59 min 60 sec - 144 grade 56 min 30 sec=

       = 35 grade 3 min 30 sec

ABD= 35 grade 3 min 30 sec ( opuse la varf)