corleychop corleychop

29-07-2021
Mathematics

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

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

Respuesta :

sqdancefan sqdancefan

31-07-2021

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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