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Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Subject :IMO    Class : Class 7
if two supplementary angles are in the ratio 4:5 then what are there measures

Ans 1:

Aaditya Agarwal from Miniland Convent School , Hapur
Class : Class 7
80,100

Ans 2:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
the angles are 80 degree and 100 degree. Method- 4:5=4x and 5x , 4x+5x=180 , 9x=180, x=180/9, x=20, therefore, 4:5= 4*20and 5*20 4:5=80 and 100

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