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jeka57 [31]
3 years ago
14

Can someone pls help me I’m stuck

Mathematics
2 answers:
ollegr [7]3 years ago
8 0

Answer: Will this help

r≈0.41cm

C=2πr

Solving for r

r=C

2π=2.6

2·π≈0.4138cm

timurjin [86]3 years ago
3 0

Answer:

the circumference is 8.17 but since you have to round to the nearest tenth, the <u>ANSWER</u> is 8.2

Step-by-step explanation:

the equation for circumference is C=2πr (you can look that up)

the diameter is 2.6 but you need to find the <em>radius</em>, which is half of the diameter. 2.6/2 = 1.3 so the radius is 1.3. all you have to do now is plug 1.3 into the equation for circumference.

C=2π(1.3) = 8.17

then you just round that to the nearest tenth, and since the number in the hundreds place (7) is greater than 5, you round up, bringing your answer to 8.2

i hope that made some sense. if not look up online <em>how to find circumference of a circle </em>and it'll give you a calculator and just enter the value <em>1.3</em> and it should give you the same answer i gave you

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