Concept Introduction:-

It could take the shape of a word or a numerical representation of a quantity's arithmetic value.

Given Information:-

We have been given that [tex]a-b-c[/tex] and [tex]a-10b=d[/tex]. If [tex]d[/tex] is perpendicular to

[tex]a[/tex] and [tex]b[/tex] is perpendicular to [tex]c[/tex]

To Find:-

We have to find that the value of [tex]b[/tex]

Solution:-

According to the problem

[tex]a-b=c\\a-10b=d\\9b=c-d\\\Rightarrow 9b=c-d(b||d\therefore b=d)\\\Rightarrow 10b=c\\\Rightarrow b=\frac{c}{10}[/tex]

Final Answer:-

The correct answer of [tex]b[/tex] is [tex]\frac{c}{10}[/tex].

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