Sections 5.1 â 5.3
Sections 5.1 â 5.3
Sections 5.1 â 5.3
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Circumference of a Circle:<br />
2∏r<br />
Section <strong>5.3</strong><br />
remember pie = 3.14, r = radius<br />
Example: Given a circle with a radius of 3 ft<br />
Circumference = 2(3.14)(3) so multiply all<br />
together<br />
= 6(3.14)<br />
= 3.14<br />
x 6<br />
18.84ft<br />
Plug into formula<br />
Multiply in any order, so I<br />
multiplied 2 and 3 first got<br />
6<br />
Then multiplied 6 and 3.14<br />
and got 1884 but moved<br />
decimal 2 spots over.<br />
Always label answer in the<br />
correct units
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