Geometry: Unit 3: Day 3: Points of Concurrency
from 5.2, 5.3 and 5.4 in the Textbook; Notes on page 83 and 87 in the IMN; Video at
http://youtu.be/MWQwrqsPyUk
or
http://vimeo.com/76508626
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Email Address
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Student Name:
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Last Name, First Name (must have a space after the comma)
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ID Number
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1. The point of concurrency for the three Perpendicular Bisectors of a triangle is called the
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enter in all lower case letters
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2. The orthocenter is the point concurrency for all of the _______ of a triangle.
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enter in all lower case letters
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3. The incenter of a triangle is equidistant from all the ________ of a triangle.
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angles
sides
points of concurrency
vertices
none of the above
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4. The distance from a vertex of a triangle to the centroid of the triangle is _______ the length of the median from that vertex.
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half
a third
twice
two thirds
double
none of the above
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5. Which lines pass through the midpoint of a side of a triangle?
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select all that apply
altitudes
angle bisectors
medians
perpendicular bisectors
none of the above
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6. Which lines or segments, pass through the vertex of a triangle
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select all that apply
altitudes
angle bisectors
medians
perpendicular bisectors
none of the above
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7. An altitude of a triangle passes through the interior of the triangle.
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Always True
Sometimes True
Never True
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8. Which points of concurrency always lie inside the triangle?
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select all that apply
centroid
circumcenter
incenter
orthocenter
none of the above
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