We can prove that if D is a region bounded by a simple closed path C in the xy-plane, then the coordinates of the centroid (x,y) of D are: 1 1 x² dy x = y == y² dx 2A Jc 2A C where A is the area of D. Use this to find the centroid of a quarter-circular region of radius a. -

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 40E: Find the exact volume of the solid that results when the region bounded in quadrant I by the axes...
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We can prove that if D is a region bounded by a simple closed path C in
the xy-plane, then the coordinates of the centroid (x,y)of D are:
1
1
x =
x² dy
y
ZAP y² dx
2A Jc
C
where A is the area of D. Use this to find the centroid of a quarter-circular region of
radius a.
==
Transcribed Image Text:We can prove that if D is a region bounded by a simple closed path C in the xy-plane, then the coordinates of the centroid (x,y)of D are: 1 1 x = x² dy y ZAP y² dx 2A Jc C where A is the area of D. Use this to find the centroid of a quarter-circular region of radius a. ==
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