Answer:
21 3/5
Step-by-step explanation:
Given:
2009 : 3,500 population
decrease of 2.2% per year.
100% - 2.2% = 97.8%
2014 - 2009 = 5 years
3,500 * (0.978)^5 = 3,500 * 0.89473 = 3131.57
The bird population in 2014 will be 3,131.57 or 3,132.
The whole question is: The angle of depression from point R to S is angle- 3
The angle of elevation from point S to R is- 4
Angle 2 is the angle of elevation from- point R to point Q
Angle 1 is the angle of- depression from point Q to point R
