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Mathematics 19 Online
lcs2413:

The circumference of the bike tire above is 84.152 inches. What is the radius of the bike tire? (Use 3.14 for .)

dude:

Use the circumference equation and substitute what you know C=2\(\pi\)r -> 84.152 = 2\(\cdot\)3.14\(\cdot\)r Multiply the 2 and 3.14 and then divide it on both sides

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