29-12-2020
Mathematics

contestada

A circle with area 64 cm2 has a
sector with a 45-degree
central angle.
The area of the sector is
cm2

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30-12-2020

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Answer:

8 cm²

Step-by-step explanation:

A 45° sector is (45°)/(360°) = 1/8 of the circle, so its area is ...

(1/8)(64 cm²) = 8 cm² . . . . area of sector

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