Respuesta:
es la "a" 20°
Explicación paso a paso:
3x-30°+2x+40°+x+50° = 180°
3x+2x+x= 180°+30°-40°-50°
6x= 120°
x= 120° : 6
x= 20°
3x-30°=
3.20 -30°= 30°
2x+40°=
2.20 +40°= 80°
x+50°=
20+50° = 70°
30° +80° +70° = 180°
180° = 180°
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Respuesta:
es la "a" 20°
Explicación paso a paso:
3x-30°+2x+40°+x+50° = 180°
3x+2x+x= 180°+30°-40°-50°
6x= 120°
x= 120° : 6
x= 20°
3x-30°=
3.20 -30°= 30°
2x+40°=
2.20 +40°= 80°
x+50°=
20+50° = 70°
30° +80° +70° = 180°
180° = 180°