Question

Dau coroana! Repede!!​

Answer 1

Răspuns:

a)

compl: 90°-71°45'=89°60'-71°45'=18°15'

supl: 180°-71°45'=179°60'-71°45'=108°15'

b)

compl: 90°-39°25'=89°60'-39°25'=50°35'

supl: 180°-39°25'=179°60'-39°25'=140°35'

Explicatie:

suma a 2 unghiuri complementare=90°

suma a 2 unghiuri suplementare=180°