Question

If the figures are similar, use a proportion to find the missing side?

Answer 1

Given:

The figure is

Find-:

The value of "x"

Explanation-:

The ratio of sides is

Compared with angle sides is

`(28)/(21)=(8)/(6)=(30)/(x)`

So, the value of "x" is

`\begin{gathered} (8)/(6)=(30)/(x) \\ \\ x=(30)/(8)*6 \\ \\ x=(30)/(4)*3 \\ \\ x=(15)/(2)*3 \\ \\ x=(45)/(2) \\ \\ x=22.5 \end{gathered}`

The value of "x" is 22.5