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

If the figures are similar, use a proportion to find the missing side?-example-1
User Jon Parise
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8.4k points

1 Answer

4 votes

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

If the figures are similar, use a proportion to find the missing side?-example-1
User Hartmut Holzgraefe
by
8.1k points

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