Question

Help help help math math

Answer 1

Explanation:

Given:

`D = 2\:\text{cm} \Rightarrow r =(1)/(2)D = 1\:\text{cm}`

`h = 5\:\text{cm}`

Therefore,

`V = \pi r^2 h = 3(1\:\text{cm})^2(5\:\text{cm})`

`\;\;\;=15\:\text{cm}^3`

Answer 2

15cm^3

Explanation:

1^2=1

1*3=3

3*5=15