Kebun Pak Muhammad berbentuk persegi panjang dengan ukuran panjang 3,2 dam dan lebar 250 dm. Keliling kebun Pak Muhammad adalah...meter.
A.570
B.80
C.114
D.125
A.570
B.80
C.114
D.125
Jawaban:
p = 3,2 dam = 32m
l = 250 dm = 25m
Keliling kebun
[tex] = 2(p + l) \\ = 2(32 + 25) \\ = 2(57) \\ = 114m[/tex]
Jawaban C
-Bangun Ruang-
Rumus keliling persegi panjang= P × L
P= 3,2 dam = ... m
dam = × 10 m
3,2 × 10 = 32 m
L= 250 dm = ... m
dm = ÷ 10 m
250 ÷ 10 = 25 m
K = 2 × ( P + L )
2 × ( 32 + 25 )
2 × ( 57 )
= 114 m
- opsi C.