RUMUS VOLUME BANGUN RUANG

RUMUS VOLUME BANGUN RUANG

KUBUS

            V = rusuk x rusuk x rusuk


             Luas Sisi Kubus = 6 x sisi x sisi


                                                                     
                                                                       Rusuk
BALOK

              V = panjang X lebar x tinggi 



                                
                                        tinggi

                                                                                               
                                                                                                  lebar
                                                                      panjang
Prisma

             V = luas alas x tinggi
                                                                 




















KERUCUT

                  V = 1/3 x Luas Alas x Tinggi       ; Luas alas = Ï€ x r2

                  V = 1/3 x( Ï€ x r2 ) x Tinggi

S =


Luas selimut                   = Ï€ x r x s

Luas permukaan kerucut = π x r x (s + r)



Keterangan: t = tinggi
                    r = jari-jari
                    s = garis pelukis


TABUNG (SILINDER)

               V = Luas alas x tinggi         ; Luas alas = Ï€ x r2

               V = Ï€ x r2  x tinggi        


Luas selimut tabung = 2 x π x r x t
Luas alas tabung       = 2 x Ï€ x r x r
Luas Sisi Tabung = (2 x π x r x r) + (2 x π x r x t)




BOLA

                   V = 4/3 x 22/7 x r x r x r
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