Răspuns:
Explicație pas cu pas:
a)42° complement=90°-42°=48°
b)13° complement=90°-13° =77°
c)73° complement=90°-73°=17°
d)21°43' complement=90°-21°43'=89°60'-21°43'=68°17'
e)67°28' complement=90°-67°28'=89°60'-67°28'=22°32'
f) 36°54'24'' complement=90°-36°54'24''=89°60'-36°54'24''=
=89°59'60"-36°54'24''=53°5'36"