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Which is the length of HJ expressed in terms of pi?
Which is the length of HJ expressed in terms of pi?A. 3/10 pi
B. 9/20 pi
C. 11/20 pi
D. 81/20 pi
Answer:B. 9/20Step-by-step explanation:the circumference is 2r. Since the radius is one, that would be 2.81/360=0.225, or 22.5% of the circumference. 22.5% of 2is 0.45. 0.45=9/20, so the answer is B.CHECK: 2= 6.2836.283x0.225=0.14137, or 9/20...
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