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February 1, 2015

February 1, 2015

Posted by **Anonymous** on Monday, April 19, 2010 at 9:33pm.

Could Gabe's fragment match this plate?

How long would the arc length of a fragment be if it were 1/6 the circumference of the plate?

I have no idea how to start these.

- Trigonometry -
**Damon**, Monday, April 19, 2010 at 9:43pm(1/6)(pi d) =1.65

d = 1.65 (6/pi) = 3.15

- Trigonometry -
**Anonymous**, Monday, April 19, 2010 at 10:03pmThanks - and then there's one more if you don't mind.

Toby finds another fragment of arc length 2.48 inches. What fraction of the outer edge of Gabe's plate would it be if this fragment were part of Gabe's plate?

1/4

1/2

2/3

3/4

- Trigonometry -
**Damon**, Monday, April 19, 2010 at 10:14pmd = 3.14

pi d = 9.864

2.48 / 9.864 = .251

a quarter of it

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