From a Point on Ground Level, You Measure the Angle $37 ^ { \circ }$

question 7

Multiple Choice

From a point on ground level, you measure the angle of elevation to the top of a mountain to be $37 ^ { \circ }$ . Then you walk $150 \mathrm {~m}$ farther away from the mountain and find that the angle of elevation is now $20 ^ { \circ }$ . Find the height of the mountain.

• A) \(55\) m
• B) \(84\) m
• C) \(81\) m
• D) \(113\) m
• E) \(106\) m

---

Definitions:

Transitivity

The cognitive ability to recognize logical relationships among elements in a serial order and to deduce the third relation from the first two.

Formal Operations

The fourth and final stage of Jean Piaget's theory of cognitive development, characterized by the ability to think abstractly, reason logically, and manage hypothetical situations.

Cognitive Development

The process by which a child learns to reason, solve problems, and understand concepts throughout different stages of early life.

Group Discussions

A form of communicative interaction among a small group of individuals, focusing on a predefined subject, with the aim of sharing information, solving problems, or generating ideas.