" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
8x=180-40
8x=140
x=140:8
x=17,5
Sudut ABD = 40 + 5 × 17,5
=40 + 87,5
=127,5 .. sekian :D