Math
posted by Jiskha lover:D .
Find the approximate number of radians, to the nearest hundreth, in the angles with the following dergree measures.
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!!:(

Memorize 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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