" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
l ; x
Keliling : 2(p+l)
82 = 2( x+9 +x )
82 = 2( 2x+9)
82= 4x+18
-4x = -82 + 18
-4x = -64
x = 16
Panjang = x+9 = 16 + 9 = 25 cm
Lebar =x = 16
Luas = pxl = 25 x 16 = 400 cm² ( D )