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allochka39001 [22]
3 years ago
11

Find the area of the sector round your answer to the nearest 10th

Mathematics
1 answer:
inessss [21]3 years ago
3 0

9514 1404 393

Answer:

  398.2 cm²

Step-by-step explanation:

The area of the whole circle is ...

  A = πr²

  A = π(13 cm)² = 169π cm²

The 270°  sector is 3/4 of the whole circle, so its area is ...

  sector area = (3/4)(169π cm²) ≈ 398.2 cm²

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