RUMUS BANGUN DATAR


‘RUMUS BANGUN DATAR’

Rumus Persegi

Luas = Sisi (s)2
Keliling = Sisi (s) x 4

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  • Rumus Persegi Panjang
Luas = Panjang (p) x Lebar (l)
Keliling = Panjang (p) x 2 + Lebar (l) x 2

009

  • Rumus Segitiga

Luas = ½ x Alas (a) x Tinggi (t)

Panjang sisi miring segitiga siku-siku dicari dengan rumus Phytagoras (A2 + B2 = C2)

003

  • Rumus Jajar Genjang
Luas = Alas (a) x Tinggi (t)

004

  • Rumus Trapesium
Luas = ½ x jumlah sisi sejajar x tinggi (t)

007

  • Rumus Layang-layang
Luas = ½ x diagonal (d) 1 x diagonal (d) 2

LAYANG

  • Rumus Belah Ketupat
Luas = ½ x diagonal (d) 1 x diagonal (d) 2

001

  • Rumus Lingkaran
Luas = π (pi) x jari-jari (r)2

000

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