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CBSE Class 10 Answered

The larger of two supplementary angles exceeds thrice the smaller one by 20 degree.find them  
Asked by mksharma6495 | 26 Jan, 2019, 03:11: PM
answered-by-expert Expert Answer
Two angles are supplementary. If one angle is x, then other angle is (180-x)
 
let x > (180-x)
 
x = 3(180-x)+20  = 560 - 3x
 
hence 4x = 560  or  x = 140
 
hence angles are 140° and 40°
Answered by Thiyagarajan K | 26 Jan, 2019, 03:19: PM

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