Posted by **Miles** on Tuesday, December 14, 2010 at 5:35pm.

He needs to make a large circular wooden clock that measures about 6 feet in circumference. Write an equation he can use to find r the radius of the clock

- Math -
**Ms. Sue**, Tuesday, December 14, 2010 at 5:52pm
C = pi * r^2

6 = 3.14 * r^2

6 - 3.14 = r^2

2.86 = r^2

1.69 = r

- Math -
**Henry**, Thursday, December 16, 2010 at 11:51am
C = 2pi*r = 6,

2*3.14*r = 6,

6.28r = 6,

r = 6 / 6.28 = 0.96 ft.

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