Question

A building that is 100 ft tall casts a shadow that makes a 30 degree angle with the ground. Approximately how long, in feet, is the shadow across the ground? A) 0.01 B) 3.33 C) 15.61 D) 173.21

Answer 1

The answer is D) 173.21, just had this question.

Answer 2

Using the tangent function, tan (30) = $\frac{100}{x}$.

Therefore, the length of the shadow is approximately 173.21 feet.