The angles of a triangle are 45degree, 65degree,and 75 degree. Express these angle in radians

Answer 1

Let angle A=45°, B=65°,C=70°

First we calculate radians of angle A
Radian= π\180.degree

= π/180.45

=π/4 radian.
In the same way we calculate radian of angle B
= π/180.65
=13π/36
Now we calculate radian of angle C
=π/180.70
= 14π/36
So, we have radian of angle A=π/4, B=13π/36, = C14π/36

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