Question

Triangle BCA is similar to Triangle STR . What is the value of x?

Answer 1

Sin the triangles are similar the ratio 4 to 6 should hold for any side, this means that:

`(4)/(6)=(x)/(9)`

Solving for x we have:

`\begin{gathered} (4)/(6)=(x)/(9) \\ x=9((4)/(6)) \\ x=(36)/(6) \\ x=6 \end{gathered}`

Therefore. x=6.