lesson 6-2 altitudes and perpendicular bisectors
TRANSCRIPT
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Lesson 6-2Lesson 6-2Altitudes and Altitudes and Perpendicular Perpendicular BisectorsBisectors
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Ohio Content Standards:
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Ohio Content Standards:Formally define geometric
figures.
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Ohio Content Standards:Formally define and explain key aspects of
geometric figures, including:a. interior and exterior angles of polygons;b. segments related to triangles (median,
altitude, midsegment);c. points of concurrency related to triangles
(centroid, incenter, orthocenter, and circumcenter);
d. circles (radius, diameter, chord, circumference, major arc, minor arc, sector,
segment, inscribed angle).
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Altitude
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AltitudeA perpendicular segment,
in a triangle, with one endpoint at a vertex and the other endpoint on the side opposite that vertex.
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Altitude
altitude
Acute Triangle
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Altitude
Right Triangle
altitude
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Altitude
Obtuse Triangle
altitude
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Tell whether each red segment is an altitude of the
triangle.
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Tell whether each red segment is an altitude of the
triangle.A
DCB
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Tell whether each red segment is an altitude of the
triangle.
G
J
H
F
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Tell whether each red segment is an altitude of the
triangle.
ML
K
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Perpendicular Bisector
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Perpendicular Bisector
A perpendicular line or segment that bisects a side
of a triangle.
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Perpendicular Bisector
altitude Perpendicular Bisector
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Perpendicular Bisector
ZXE
Y
E is the midpoint of XZ.
YE is an altitude.The line containing YE is the perpendicular bisector of XZ.
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Tell whether each purple segment is a
perpendicular bisector of a side of
the triangle.
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Tell whether each purple segment is a
perpendicular bisector of a side of
the triangle.
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Tell whether each purple segment is a
perpendicular bisector of a side of
the triangle.
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Assignment:
Pgs. 238-239 Pgs. 238-239 8-18 all, 8-18 all, 24-26 all24-26 all