A rectangular tank, measure 40 cm by 38 cm with a height of 30, is filled with water to a height of 10 cm.
a, Find the volume of water in the tank.
b, When 5 indentical iron balls are dropped into the tank, the water level increases to half of the tank. Find the volume of each iron ball.( giải bằng tiếng anh giúp! ><)
The volume of water in the tank :
40 x 38 x 10 = 15200 cm3
The volume of each iron ball is :
(40 x 38 x ( 30 : 2 ) -15200 ):5=1520 ( cm3 )
Đúng 0
Bình luận (0)
