Selasa, 24 Juni 2014

Matematika (Rumus Keliling)



Rumus Keliling
·      https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW5veH3eqUuf_6IiPC04hJPqvqc1X7Og0vI8mz_IvW4u3PRnXBVnUEpAimyl-FB1ktVS0vmsDP6KvZiRZ1Sw1d7rl2GOhneoL_A_bmCOxwUSYfwMqHjzuZXHRdrFzGD-Ck4bBdLiR_sCc/s320/images.jpgPersegi
Rumus Persegi
Keliling : 4 x Sisi
contoh : Sisi = 5 cm
Keliling = 4 x 5 = 20cm

·      https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-4eybCqln0Au3nwlYP-76Mg0b2FRUQBRKTlUkqIdJP1jMu65nImWNcm_kig7Ih6ggS0oqTzZry0DBzhZ-GspDWmk6I1czchor9vKkPGo_XliaVq0WS2CfPLdZ5JjwyTM_N20cTScc8c4/s320/2.jpgPersegi Panjang
Rumus persegi panjang
Keliling : 2 x (Panjang + Lebar)
contoh : Panjang = 6 cm
Lebar = 4 cm
Keliling = 2 x (6 + 4) = 20cm

·      Jajar Genjang
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnYAXvigyImTxYnikcM-p_8EjQD-_gbwTK6Ko1lw_Ytet7zUFabP9IYPCnZr3yHV8JgDDHoakD_hrAqF88bKNXjBaHS0c0YgeTqIlDsfeu3r7NM11rAO_6JnI88lqy5pbfgYrMOw6-UizB/s1600/Jajar+genjang.jpgRumus Jajar Genjang
a = alas
t = tinggi
Keliling = 2 x (sisiA+sisiB) atau Jumlah semua sisi
Contoh: Sisi A=3cm
Sisi B=5cm
Keliling = 2 x (3+5) = 16cm

·      Belah Ketupat
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQIeBkRNQUfGfPQdOwVuYmkAHFyK2QsE21r99PmwDn6FV8SP2fr0Cur6ccBEbYG-jP_5Wy1eo2ZXkdC8QGhyphenhyphenz3wwAG2GSO1hlRb_BdnAbVeyYyLfobU-yewU7cERdr7amTcJyfsgYpE_g-/s1600/Belah+ketupat.jpgRumus Belah Ketupat
d1 = diagonal 1
d2 = diagonal 2
Keliling = 4 x s atau Jumlah semua sisi
Contoh : s=6cm
Keliling = 4 x 6 = 24cm
·      Trapesium
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtbPE7i0k4NiTKqpbvrfrDr1ouefqO852JlOLtie8Y47ibcSN0a11LVh-gKslmgnAw_RpPZjkqJ0cjguDIVY8SzHNGqMqHgrRxZdIK0UMWkUP-0zj4p21fI0sLkYsKgNEbrIio4lFeqDxU/s1600/Trapesium.jpgRumus trapesium
t = tinggi
Keliling = sisiA + sisiB + sisiC + sisiD atau Jumlah semua sisi
Contoh : sisi A =7cm
Sisi B = 5cm
Sisi C = 4cm
Sisi D = 4cm
Keliling = 7 + 5 + 4 + 4 = 20cm

·      Layang-layang
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_bW7z9dXMjfzSBCau2GU5Ldpxepcw_Y_SelwjYzwLOZbZlJnXwHZd9mFNK0KQgRsXT9S7ugjJ9misHbxlsnkndUb9eRNvk3-r8uVyyWJer0Ed49cag0nAf5HCQos978l058lFnpampHoC/s1600/Layang-layang.jpgRumus Layang-Layang
d1 = diagonal 1
d2 = diagonal 2
Keliling = 2x(sisiA+sisiB) atau Jumlah semua sisi
Contoh : SisiA = 8cm
SisiB = 4cm
Keliling = 2 x (8+4) = 24cm

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