22 units.
Step-by-step explanation:
Here FSB and ZDR are two triangles.
In which, FS = 38 unit, FB = 55 unit, ZD = 15.2 unit and ZR = x unit.
Also,
Thus, By the property of similarity,
⇒
Thus, ZR = 22 unit.
answer: 1 and 3
step-by-step explanation: