Question

find the angle which is 1 by 5 of its complement​

Answer 1

let the angle be x

x ×1/5=90

x=90×5

x=450

Answer 2

Answer:

let the angle be 'x'

then it's complement angle=90-x

then , given that other angle =1/5th of it's complement

then

x=1/5(90-x)

5x=90-x

5x+x=90

6x=90

x=90/6

x=15°

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