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| 1. |
The angle of a triangle r in a.p .,the least being half of the greatest. Find the angles. |
| Answer» Let the angles are a-d,a and a+dthen a-d +a a+d=1803a=180a=60Alsoa-d=1/2(a+d)2a-2d=a+da=3d ,d=a/3=60/3=20So the angles are 40,60 and 80 | |