Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.2: Ellipses
Problem 54E
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Question
Transcribed Image Text:8. Find the perimeter of the triangle with vertices A(1, 2, -3), B(3, 4, −2), and C(3, -2, 1). Is ABC
an isosceles triangle?
9. Find an equation of the sphere that passes through the point (4, 3, -1) and has center (3,8,1).
10. Show that the equation
4x² + 4y2 + 4z2 - 8x + 16y = 1
represents a sphere, and find its center and radius.
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