" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
L = 90
1/2.d1.d2 = 90
1/2.4n.5n = 90
10n² = 90
n² = 90/10
n² = 9
n = √9 = 3
jadi, d1 = 4n = 4.3 = 12 cm
90 = 1/2 x 4a x 5a
90 = 10a²
a² = 90/10 = 9
a = √9 = 3 cm
d1 = 3 x 4 = 12 cm
d2 = 3 x 5 = 15 cm