1. The vertices of the base of an isosceles triangle are at (1,2) and (4,1). Find the ordinate (value of y) of the third vertex if its abscissa is 6.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 33E
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B. Solve the following problems.
1. The vertices of the base of an isosceles triangle are at
(1,2) and (4,1). Find the ordinate (value of y) of
the third vertex if its abscissa is 6.
2. Show that the points (-2,5), (-2,-1) and (4, -1) all
lie on a circle whose center is at (1,2). Find its radius
3. Show that the points (2,0), (5,-1), (11,4) and (8,5)are
are the vertices of a parallelogram.
Transcribed Image Text:B. Solve the following problems. 1. The vertices of the base of an isosceles triangle are at (1,2) and (4,1). Find the ordinate (value of y) of the third vertex if its abscissa is 6. 2. Show that the points (-2,5), (-2,-1) and (4, -1) all lie on a circle whose center is at (1,2). Find its radius 3. Show that the points (2,0), (5,-1), (11,4) and (8,5)are are the vertices of a parallelogram.
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