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damaskus [11]
3 years ago
10

Please help

Mathematics
1 answer:
rewona [7]3 years ago
5 0

Answer:

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

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Answer:

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Step-by-step explanation:

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If 3/4 lb of candy cost $20.50, how much would 1 lb of candy cost
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---
answer:
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