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?
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter3: Radian Measure
Section: Chapter Questions
Problem 28CT: Linear Velocity A propeller with radius 3.50 feet is rotating at 900 revolutions per minute. Find...
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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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