In one or two sentences

MATHEMATICS · Subjective · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

In one or two sentences, describe why the radius of the water surface in an inverted conical tank can be expressed solely as a function of the water depth when solving a related–rates problem for that tank.

Related theory

Basic Proportionality Theorem
Similarity
Related Rates

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