Jawaban:
70°
Penjelasan dengan langkah-langkah:
(180°)=4(90°-a)+30°
180°-a=360°-4+30°
-a+4a=360+30-180
3a=210°
a=210/3
a=70°
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawaban:
70°
Penjelasan dengan langkah-langkah:
(180°)=4(90°-a)+30°
180°-a=360°-4+30°
-a+4a=360+30-180
3a=210°
a=210/3
a=70°