Asked by Larry vandermark

estimate the radius of a circle with circumference of 272.2 inches use 3.14 for pi round to the nearest tenth.
A. 43.3
B.136.1
C.86.7
D.5887.2
Answered by Reb
Well if it's circumference is 272.2, the radius would be 136.1, would it not? 272.2 / 2 gives that answer.
Answered by Reb
Ah wait, lemme redo this. I got circumference mixed up with diameter.
Answered by Larry vandermark
i think your right
Answered by Reb
No no, I know it's wrong now. I'm solving it right now
Answered by Reb
How is it A? Wouldn't it be C? Circumference is pi x diameter.
Answered by Edward
u got the answer????
Answered by Reb
272.2 / 3.14 = 86.7 inches, right?
Answered by Edward
no circumference=3.14(diameter)
Answered by Reb
Oh, that may've given me the diameter. I think Edward is right; my mistake!
Answered by £Ä£á£î£î£ù
you need to use the equation C=2(pi)r to solve the question. C=272.2, pi=3.14, r then equals 272.2/3.14/2=43.34, So A is the correct answer.
Answered by Edward
anyone able to solve my problem
Answered by Larry vandermark
it`s 86. somthing
Answered by Ms. Sue
Yes, Larry, 86.7 is a close estimate to 90.
Answered by Larry vandermark
ok thanks
Answered by royal savage
THE ANSWER IS A BC YOU ARE LOOKING FOR THE RADIUS WHICH IS HALF OF A CIRCLE THE DIAMETER IS C NOT THE RADIUS WHICH YOU ARE LOOKING FOR
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Answered by Longest Name
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Answered by blox fruits
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