The angles of a quadrilateral in an Arithmetic Progression. If the least angle is
150, then find the remaining angles.
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Step-by-step explanation:
The 4 angles add to 360, so if one is 15, then the other 3 add to 345. The average is then 115 degrees. So if they are in AP (=arithmetic progression) then the three angles are 115+d, 115, and 115-d, and the 4th “smallest” angle is 115–2d = 15. Then d=50, so the angles are 15, 65, 115, and 165.
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