Diketahui prisma tegak ABCDEF. jika BC = 5 cm,AB== BC = 5 cm. AC = 5√3 cm dan AD = 8 cm . volume prisma ini adalah
danuef
T alas = √5² - (5/2√3)² t alas = √25 - (25/4.3) t alas = √25 - 75/4 t alas = √100/4 - 75/4 t alas = √25/4 t alas = 5/2 cm V = 1/2LA.t V = 1/2 . 5√3 . 5/2 . 8 V = 1/2 . 5√3 . 20 V = 50√3 cm³
t alas = √25 - (25/4.3)
t alas = √25 - 75/4
t alas = √100/4 - 75/4
t alas = √25/4
t alas = 5/2 cm
V = 1/2LA.t
V = 1/2 . 5√3 . 5/2 . 8
V = 1/2 . 5√3 . 20
V = 50√3 cm³