Answer:
it should be 650
=
1.5
%
=
0.015
16
y
e
a
r
s
=
0.015
Step-by-step explanation:
You know from the definitions of trig functions that
.. tan(42°) = (height of courthouse above measuring device)/(distance to courthouse)
.. (height of courthouse above measuring device) = tan(42°)*(305 ft) ≈ 274.6 ft
Since the measuring device is 5 ft high, the height of the courthouse is approximately 280 ft. (selection C)