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January 31, 2015

January 31, 2015

Posted by **Jiskha lover:D** on Tuesday, December 18, 2012 at 9:18pm.

a) 60 degrees

b) 128.5 degrees

c) 150 degrees

d) 80 degrees

e) 145 degrees

f) 325 degrees

g) 56.4 degrees

h) 230 degrees

Please help answer and explain 1 regular one and one decimal one!! IM CLUELESS TEACHER!!:(

- Math -
**Reiny**, Tuesday, December 18, 2012 at 9:22pmMemorize this one:

180° = π radians

then 1° = (π/180) radians

then (whatever)° = (π/180)(whatever) radians

so 60° = (π/180)(60) = π/3 radians

56.4° = π/180 (56.4) = 47π/150 radians or appr .984 radians

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