" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x - 10 + x+16 = 90⁰
4x+6 = 90
4x = 84
x = 21
sudut A = 3x-10 = 3x21-10 = 63-10 = 53 (D)