Answer: The height of street would be 3.26 feet.
Step-by-step explanation:
Since we have given that
Angle of elevation = 71°
Distance traveled = 12 feet
Angle of elevation becomes 46°.
So, the height of the street lamp post would be

Hence, the height of street would be 3.26 feet.
In mathematics, the reciprocal, or multiplicative inverse, of a number x is the number which, when multiplied by x, yields 1. It is denoted 1/x or x-1.
The answer is 2.8. or around there