Mapel = Matematika
Tingkat = SMP
Materi = Bangun datar
Kode Mapel = 2
Misalkan
p = x + 5 ( + 5 karena disoal dinyatakan bahwa panjang 5 lebihnya )
l = x
K = 2(p+l)
34 = 2(x+5+x)
17 = 2x + 5
12 = 2x
x = 6 cm
Berarti
p = x + 5
p = 6 + 5
p = 11 cm
l = 6 cm
Luas = p x l
Luas = 11 x 6
Luas = 66 cm²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Mapel = Matematika
Tingkat = SMP
Materi = Bangun datar
Kode Mapel = 2
Misalkan
p = x + 5 ( + 5 karena disoal dinyatakan bahwa panjang 5 lebihnya )
l = x
K = 2(p+l)
34 = 2(x+5+x)
17 = 2x + 5
12 = 2x
x = 6 cm
Berarti
p = x + 5
p = 6 + 5
p = 11 cm
l = x
l = 6 cm
Luas = p x l
Luas = 11 x 6
Luas = 66 cm²