更新1:
Describe what fraction of the circumference of a full circle is spanned by an angle with the given measure.
1. θ = 6.5 radians 2. θ =3π/4 radians 3. θ = 6 radians?
回答 (6)
2016-09-20 8:07 am
1. 6.5/2π
2. 3/8
3. 6/2π
2. 3/8
3. 6/2π
2016-09-20 10:34 am
There are 2π radians in a full circle so required fractions are
1. 6.5/(2π)=13/(4π).
2. (3π/4)/(2π) = 3/8.
3. 6/(2π)=3/π.
These could also be given as decimals or percentages to say 3 significant figures as appropriate.
1. 6.5/(2π)=13/(4π).
2. (3π/4)/(2π) = 3/8.
3. 6/(2π)=3/π.
These could also be given as decimals or percentages to say 3 significant figures as appropriate.
2016-09-20 12:42 am
6.5/(2π) ≅ 1.03
2016-09-20 12:36 am
so what do you want to do with θ ?
2016-09-20 12:40 am
#2 < #3 < #!
2016-09-20 12:38 am
Oh
收錄日期: 2021-04-21 21:56:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160919163531AA81V3y