Question

aflaţi unghiurile a b c d daca sunt direct proportionale cu 4 6 9 5

Answer 1

(4, 5, 6, 9) d.p.( a,b,c,d) -> a+b+c+d=k 4k+6k+9k+5k=24 k -> 24k=180° -> k = 7,5 7,5*4=30° 7,5*6=45° 7,5*9=67,5° 7,5*5= 37,5°