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Answer: 8 ft
<u>Step-by-step explanation:</u>

There are many like
1(10)+10-1=19
18+1=19
30-11=19
<span>15+4=19</span>
Answer:
B. The Parameter are different from Zero
Step-by-step explanation:
Answer:
C=2πr
Step-by-step explanation:
The circumference is the total distance around the circle.
C=πd but d = 2r.
:.C=2πr.