Now, suppose we decide to work in Hyperbolic Geometry. What do we know about angle ACD elative to the angles at A and B, e.g., what can be said about an exterior angle relative to its pposite interior angles? How do you know so? (In other words, informally justify your claim.) Let AABC be given, and suppose D is a point on BC such that B - C - D. Then ZACD is called an exterior angle of the given triangle. The angles at A and B of AABC are called opposite interior angles of ZACD. ( EXTERIOR ANGLE OF A TRIANGLE Figure 3.27 D
Now, suppose we decide to work in Hyperbolic Geometry. What do we know about angle ACD elative to the angles at A and B, e.g., what can be said about an exterior angle relative to its pposite interior angles? How do you know so? (In other words, informally justify your claim.) Let AABC be given, and suppose D is a point on BC such that B - C - D. Then ZACD is called an exterior angle of the given triangle. The angles at A and B of AABC are called opposite interior angles of ZACD. ( EXTERIOR ANGLE OF A TRIANGLE Figure 3.27 D
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Transcribed Image Text:Now, suppose we decide to work in Hyperbolic Geometry. What do we know about angle ACD
relative to the angles at A and B, e.g., what can be said about an exterior angle relative to its
opposite interior angles? How do you know so? (In other words, informally justify your claim.)
Let AABC be given, and suppose D is a point on BC such that B - C - D. Then ZACD is called an
exterior angle of the given triangle. The angles at A and B of AABC are called opposite interior
angles of ZACD.
(
EXTERIOR ANGLE OF
A TRIANGLE
Figure 3.27
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