Materi : Garis dan Sudut
pemisalan
∠A = a
∠B = 180° - a [ pelurus dari ∠A ]
∠C = 90° - a [ penyiku dari ∠A ]
________________________/
2( ∠B ) + ⅓( ∠C ) = 320°
2( 180° - a ) + ⅓( 90° - a ) = 320°
360° - 2a + 30° - ⅓a = 320°
390° - 320° = 2a + ⅓a
7/3a = 70°
⅓a = 10°
a = 30°
Maka Nilai 5/3 . a = 5/3 . 30° = 50°
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Materi : Garis dan Sudut
pemisalan
∠A = a
∠B = 180° - a [ pelurus dari ∠A ]
∠C = 90° - a [ penyiku dari ∠A ]
________________________/
2( ∠B ) + ⅓( ∠C ) = 320°
2( 180° - a ) + ⅓( 90° - a ) = 320°
360° - 2a + 30° - ⅓a = 320°
390° - 320° = 2a + ⅓a
7/3a = 70°
⅓a = 10°
a = 30°
Maka Nilai 5/3 . a = 5/3 . 30° = 50°
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]