07-02-2019
Mathematics

contestada

A circle has a sector with area 1/2 3.14 and central angle of 1/9 3.14 radians

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07-02-2019

Answer:

Area of circle is 9π

Step-by-step explanation:

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carolhuynhyt123 carolhuynhyt123

07-02-2019

Answer:

Step-by-step explanation:

The area of a sector of a circle is ½ r² ∅, where r is the radius and ∅ the angle in radians subtended by the arc at the centre of the circle. So in the below diagram, the shaded area is equal to ½ r² ∅ .

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