3. Estimate the unknown value and altitude

Estimate the value of \(x\) and the altitude \(RA\) in the triangle \(RST\) if \(∠RAS = (x-73)°\) and the length of \(RA\) is thrice the value of \(x\) in \(feet\) measurement.

 

 

The value of \(x\) is .

  

The length of the \(RA\) is  \(feet\).