" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y² + 256 = y² + 8y + 16
8y = 256 - 16
8y = 240
y = 30cm
luas = 1/2 x 30 x 16 = 240cm²