A person stands 15 ft from an elephant. Determine how tall the elephant is in feet, the given diagram.
1 answer:
Answer:
The height of the elephant is
.
Step-by-step explanation:
It is given that,
Distance between a person and an elephant is 15 ft
The angle of elevation of the elephant is 30 degrees.
We need to find the height of the elephant. For this let us consider that height is h. So,
![\tan\theta=\dfrac{P}{B}\\\\\tan(30)=\dfrac{h}{15}\\\\h=15\times \tan(30)\\\\h=\dfrac{15}{\sqrt3}\ ft](https://tex.z-dn.net/?f=%5Ctan%5Ctheta%3D%5Cdfrac%7BP%7D%7BB%7D%5C%5C%5C%5C%5Ctan%2830%29%3D%5Cdfrac%7Bh%7D%7B15%7D%5C%5C%5C%5Ch%3D15%5Ctimes%20%5Ctan%2830%29%5C%5C%5C%5Ch%3D%5Cdfrac%7B15%7D%7B%5Csqrt3%7D%5C%20ft)
So, the height of the elephant is
.
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