I NEED HELP FAST!!!!
A cylinder of length 13cm has a volume 280 cm^3
a) Calculate the radius of the cylinder
b)The cylinder is placed in a box that is a cube of side 14 cm
Calculate the percentage of the volume of the box that is occupied by the cylinder
Answers
Answered by
3
Answer:
volume = 280
height = 13
a) πr²h = 280
22/7 × r² × 13 = 280
286/7 × r² = 280
286 × r² = 1960
r = 2.6
volume of box = s³
= 14³ = 2744
percentage of volume of the box that is occupied by the cylinder =
280/2744 × 100
= 10.2 percent
Similar questions