Question

if two suplementary angles are in the ratio 1 : 5 . find smaller angle

with solution

Answer 1

let suplimentary angle are in ratio be 1y,5y
then,
sum of suplimentary angle is 90 degree.
1y +5y = 180 degree.
6y = 180.
y = 180/6
y = 30
so ,
smallest angle is 1y = 1 ×30 = 30.

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