1. Let A, B, C, and D be four distinct points in the plane. Suppose that no three of them lie on a line and A, C are on opposite sides of the line BD. The lengths of the line segments AB, BC, CD and DA are 1, 2, 3 and 4 respectively. (a) What is the range of possible values for the length x of the line segment BD? You should justify your answer carefully! (b) Now suppose that x = 4. What is the length of the line segment AC?

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
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1. Let A, B, C, and D be four distinct points in the plane. Suppose that no three of them
lie on a line and A, C are on opposite sides of the line BD. The lengths of the line
segments AB, BC, CD and DA are 1, 2, 3 and 4 respectively.
(a) What is the range of possible values for the length x of the line segment BD? You
should justify your answer carefully!
(b) Now suppose that x = 4. What is the length of the line segment AC?
Transcribed Image Text:1. Let A, B, C, and D be four distinct points in the plane. Suppose that no three of them lie on a line and A, C are on opposite sides of the line BD. The lengths of the line segments AB, BC, CD and DA are 1, 2, 3 and 4 respectively. (a) What is the range of possible values for the length x of the line segment BD? You should justify your answer carefully! (b) Now suppose that x = 4. What is the length of the line segment AC?
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