3 years ago

I need help with this problem

Mathematics

1 answer:

Vaselesa [24]3 years ago

3 0

Answer:

21 plays a sport and takes a foreign language.

17 takes a language and does not play a sport.

12 play a sport and don't take language.

4 student don't do either

Step-by-step explanation:

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Step-by-step explanation:

$Area \: of \: sector = \frac{ \theta}{360 \degree} \times \pi {r}^{2} \\ \\ = \frac{135 \degree}{360 \degree} \times \pi {r}^{2} \\ \\ = \frac{135 }{360 } \times 3.14 \times {(16)}^{2} \\ \\ = \frac{108,518.4 }{360 } \\ \\ = 301.44 \\ \\Area \: of \: sector \approx \: 302 \: {cm}^{2}$