Answer:
≈200ft
Step-by-step explanation:
first the small triangle is measured
9²+15²=y²
y²=306
y=√306
y≈17.5
now bc the two triangles are similar, just different in sizes, this is done
17.5/9=z/120
z=(17.5*120)/9
z≈233.3
now the x is calculated
x²=233.3²-120²
x²=40028.89
x≈200
