Answer:
see explanation
Step-by-step explanation:
The length of the arc is calculated as
AB = circumference of circle × fraction of circle
(11)
AB = 2πr ×
= 2π × 7 ×
= 14π ×
= π in
(12)
AB = 2πr × ( r = 20 ÷ 2 = 10 )
= 2π × 10 ×
= 20π ×
= π
= π cm
Answer:
<h2> Tim spent $60.60 for his lunch.</h2>Step-by-step explanation:
The tip is 20% of what he paid for lunch. Hence
tip = 20% of 50.50 = (20/100)*50.50 = 101/100 = $10.10
Total spent
50.50 + 10.10 = $60.60
So hence, Tim spent $60.60 for his lunch.
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