What is the angle of elevation of the sun when the length of the shadow of a tree is equal to its height?
A30°
B45°
C60°
D90°
Explanation
tan(theta) = Height / Shadow. Since Height = Shadow, tan(theta) = 1 => theta = 45°.
Exam Relevance
- Topic: Trigonometry
- Subtopic: Heights and Distances

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