Disappearing triangle An equilateral triangle initially has sidesof length 20 ft when each vertex moves toward the midpoint ofthe opposite side at a rate of 1.5 ft/min. Assuming the triangleremains equilateral, what is the rate of change of the area of thetriangle at the instant the triangle disappears?
Disappearing triangle An equilateral triangle initially has sidesof length 20 ft when each vertex moves toward the midpoint ofthe opposite side at a rate of 1.5 ft/min. Assuming the triangleremains equilateral, what is the rate of change of the area of thetriangle at the instant the triangle disappears?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 45E
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Disappearing triangle An equilateral triangle initially has sides
of length 20 ft when each vertex moves toward the midpoint of
the opposite side at a rate of 1.5 ft/min. Assuming the triangle
remains equilateral, what is the rate of change of the area of the
triangle at the instant the triangle disappears?
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