Answer:
50 yards
Step-by-step explanation:pythogourus theorem apply here
a²+b²=c²
40²+30²=c²
c²=2500
c=√2500
c=50 yards
hope this helps
plz mark me brainliest
x= 36
(it is positive since 78 is larger than 42, everything else is correct)
Step-by-step explanation: