The length of a shadow cast by a tree varies directly with t...

Question Analysis
This question tests the application of direct variation in a geometric context. The student needs to determine the constant of variation and then use it to find the length of the shadow for a different height of the tree.

Key Concept Explanation
Direct variation is a relationship where one variable is a constant multiple of the other. The formula is , where is the constant of variation.

Step-by-step Solution
1. Identify the given values: meters, meters.
2. Use the formula for direct variation to find the constant of variation :

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Algebra-2

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