Answer:254.61 m
Explanation:
Given
Length of string L=294 ft
angle which string makes with horizontal [tex]\theta =60[/tex]
Let us take y be the height at which kite is flying
from diagram
[tex]\sin 60=\frac{y}{294}[/tex]
[tex]y=294\sin 60[/tex]
[tex]y=254.61 m[/tex]