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im just tryna fill space for the 20 required character in a question please help

125.6m^2

Step-by-step explanation:

Let R be the greater radius and r be the smaller radius

Area of the sidewalk = R^2 - r^2 - This can be the expression

= 3.14

=(R^2-r^2)

=(11^2-9^2)

=(121-81)

= 40

= 3.14 x 40

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844

i dont know nkw

step-by-step explanation:

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