Homework Help: Math

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

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!!:(

Math - Reiny, Tuesday, December 18, 2012 at 9:22pm
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

Answer this Question

Related Questions

Math - Determine whether the triangle has no/one/two solutions. Then Find and ...
Math - Determine whether the triangle has no/one/two solutions. Then Find and ...
math - find the sum of the measures of the intieior angles of each polygon. -...
Trig - Solve ABC if C=90 degrees, B=20 degrees, and b=10. Round measures of side...
alg 2 - evaluate cot 11 pie/6 to the nearest hundred angle given in radians.. is...
Geometry - A museum was designed without windows, but a truncated cylindrical ...
Pre-Algebra - How can I solve this problem, I'm stuck on it: Approximate to ...
MATH - Help please :) The measure of the supplement of an angle is 20 degrees ...
Geometry - If the measures of the exterior angles of the acute angles of a right...
geometry - Angles BAC and Angle CAD are supplementary angles. Find the measures ...

For Further Reading

First Name:
School Subject:
Answer: