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31 October, 13:56

The area of this circle is 72π m². What is the area of a 45º sector of this circle?

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  1. 31 October, 15:11
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    This angle is 45°. That is 1/8 of a whole turn (360°)

    So the arc is 1/8 of the circumference.

    And the sector area is 1/8 of the area of the circle.

    So the area of the sector is 28.27 m²
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