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stepan [7]
3 years ago
15

Помагите даю оччен много баллов ​

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

2. 4.46

3. 12

Step-by-step explanation:

2. D = \frac{P}{\pi } = \frac{14}{3.14} = 4.458 = 4.46

3.  \frac{4}{5} = \frac{x}{15}

5 * x = 4 * 15

5x = 60

x = \frac{60}{5} = 12

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