Question

Mary wants to fill in a cylinder case. At the flower store they told her that the vase should be filled 2/3 for the flowers to last the longest. Her cylinder vase has a radius of 3in and a height of 8in how much water should Mary Pour into the vase?

Answer 1

Answer-

Mary should pour 150.8 in³ water into the vase.

Solution-

The volume of the cylinder is given by,

$V=\pi r^2h$

Where,

r = base circle radius = 3 in,

h = height of the cylinder = 8 in,

Putting the values,

$V=\pi \times 3^2\times 8$

$=\pi \times 9\times 8$

$=226.2\ in^3$

As Mary has to fill the vase $\dfrac{2}{3}$th, so the amount of water would be,

$=\dfrac{2}{3}\times 226.2=150.8\ in^3$

Answer 2

The volume of a cylinder is π × radius^2 × height, which is 226.19.
Then, we divide by 3 to get 1/3, which is 75.40. Now, we just have to multiply this by 2 to get 2/3, which is 150.80. This is the answer