Question

Помагите даю оччен много баллов ​

Answer 1

2. 4.46

3. 12

Explanation:

2. D =
`(P)/(\pi )` =
`(14)/(3.14)` = 4.458 = 4.46

3.
`(4)/(5) = (x)/(15)`

5 * x = 4 * 15

5x = 60

x =
`(60)/(5)` = 12