" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
21. cari nilai x
(11x+15)+(6x-10)=90
17x+5=90
17x=90-5
17x=85
x=85/17
=5
∠ABP = (11x+15)
= ((11.5)+15)
=55+15
=70° (A)