Question

1.Calculati mărimi complementelor unghiurilor cu masura de: a.72° b.13° c.50° d.40°40'​

Answer 1

a) 72° + x = 90° => x =  90° - 72° = 18°

b) 13° + x = 90° => x = 90° - 13°= 77°

d) 40°40' + x = 90° => x =  90° - 40°40' = 89°60' - 40°40'= 49°20'