Paris09292007 Paris09292007

22-01-2021
Mathematics

contestada

In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively
What is the area of the shaded region?
А
40pi cm2
41pi cm2
8pi cm
80pi cm

In the diagram below the radii of the two concentric circles are 3 centimeters and 7 centimeters respectively What is the area of the shaded region А 40pi cm2 4 class=

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zadieriver zadieriver

22-01-2021

Answer : 40pi cm2

Explanation : Find the area of the total circle, which would be 49pi, then you would subtract the non-shaded circle from that, which is 9pi. 49pi - 9pi = 40pi cm2

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Sabrina484 Sabrina484

23-01-2021

it should be the first answer choice

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