Răspuns :
Răspuns:
40;60;80
Explicație pas cu pas:
x/2=y/3=z/4=(x+y+z)/9=180/9=20
x/2=20 x=40°
y/3=20 y=60°
z/4=20 z=80°
x. y. z
— = — = —
2. 3. 4
x+y+z. 180°
_____ = ___=20°
2+3+4. 9
x=20×2=40°
y=20×3=60°
z=20×4=80°
Răspuns:
40;60;80
Explicație pas cu pas:
x/2=y/3=z/4=(x+y+z)/9=180/9=20
x/2=20 x=40°
y/3=20 y=60°
z/4=20 z=80°
x. y. z
— = — = —
2. 3. 4
x+y+z. 180°
_____ = ___=20°
2+3+4. 9
x=20×2=40°
y=20×3=60°
z=20×4=80°