Question

sistema de medicion angular (trigonometria)A=10'+20'+30'+......+80 ( sobre ) 3°

Answer 1

=360/3
=120
Saludos, espero haberte ayudado!

Answer 2

10' + 20' + 30' +.....+80' = 360'  ,   3° = 180'
$\frac{360'}{180'}$ = 2