" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
98 = 2(28+l)
98 = 56 + 2l
98-56 = 2l
42 = 2l
42/2 = l
21 = lebar
Luas = p x l
= 28 x 21
= 588 cm²
K = 2(p + l) = 98 cm
p + l = 98 cm : 2 = 49 cm
28 cm + l = 49 cm
l = 49 cm - 28 cm
l = 21 cm
Luas = p x l
= 28 cm x 21 cm
= 588 cm²