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The angle of triangle are in ap the number of degrees in least angle is to the number of degrees in mean angle is 2:3 find angles in radians

The angle of triangle are in ap the number of degrees in least angle is to the number of degrees in mean angle is 2:3 find angles in radians

Grade:11

2 Answers

Arun
25758 Points
4 years ago
Dear student
 
Let angles are 
a-d, a, a+d
a-d +a + a+d = 180
3a = 180
a= 60°
Now 
a-d/a = 2/3
3a - 3d = 2a
a = 3d
Hence d = 20
Hence angles are 40° , 60° and 80°
Now you can convert them in radians
 
Regards
Arun (askIITians forum expert)
Deepak Kumar Shringi
askIITians Faculty 4407 Points
4 years ago
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