4545sdr5
4545sdr5
30-04-2018
Mathematics
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Geometry problem! Help!
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Аноним
Аноним
30-04-2018
Area of the circle = πr² = π (9)² = 81π
[tex]\text {Area of the sector = } \dfrac{120}{360} \times 81 \pi [/tex]
[tex]\text {Area of the sector = } \dfrac{1}{3} \times 81 \pi [/tex]
[tex]\text {Area of the sector = } = 27 \pi \text { yd}^2[/tex]
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