
Keliling Persegi Panjang
Presentation
•
Mathematics
•
5th Grade
•
Practice Problem
•
Hard
Rawa R.
Used 1+ times
FREE Resource
7 Slides • 0 Questions
1
Mengenal Keliling
Persegi Panjang
Ni Wayan Rawa Rismawati,S.Pd
2
Persegi panjang adalah bangun datar segi empat
yang keempat sudutnya siku-siku dan panjang sisi-
sisinya yang berhadapan sama panjang dan sejajar.
3
Sisi atas sejajar dengan sisi bawah dan panjangnya sama. Sedangkan sisi kanan sejajar dengan sisi kiri dan panjangnya sama.
sisi yang lebih panjang disebut panjang sedangkan sisi yang lebih pendek disebut lebar.
4
Panjang
Panjang
lebar
lebar
Keliling adalah jumlah seluruh sisi dari suatu bangun datar.
Cara menghitung keliling persegi panjang, dengan menjumlahkan semua sisinya.
Keliling = panjang + lebar + panjang + lebar
Keliling = (2 x panjang) + (2 x lebar)
5
6
100 cm
50 cm
100 cm
50 cm
Berapa keliling papan tulis berikut?
Keliling = 100 cm + 50 cm + 100 cm + 50 cm = 300 cm
Jadi papan tulis tersebut adalah 300 cm
7
Terimakasih
Mengenal Keliling
Persegi Panjang
Ni Wayan Rawa Rismawati,S.Pd
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