Answer:
Step-by-step explanation:
(1). A = π r²
A = 4 π
Area of shaded region is = or
(2). C = 4 π
In this case, the length of the bigger arc and the area of shaded region happen to be the same.
The length of the arc ADB is or
1 pair is $20. 3 pairs is $60. 4 pairs is $80. 5 pairs is $100. Please don't delete my answer, I am only trying to help.
uhh, look it up
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