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
Answer:
invalid conclusion
Step-by-step explanation:
x=2 and y = 6 for your awnser hope it helped
Answer:
Step-by-step explanation:
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