Question

va rog ex 3 8 9 6 14 si 15 dau coroana ​

Answer 1

3) a/3=b/4=c/5=d/6=360°

a/3=k|×3=>a=3k

b/4=k|×4=>b=4k

c/5=k|×5=>c=5k

d/6=k|×6=>d=6k

3k+4k+5k+6k=18k

18k=360°|÷18=>k=20

a=3×20=60

b=4×20=80

c=5×20=100

d=6×20=120

toate înafara de 8 si 15 is asemănătoare cu 3

La 15 e 360°÷4=90