End Of Course Geometry Practice Test With Answers - North Thurston Public Schools Page 4
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30Joanna’s teacher said “The diagonals of a square bisect each other.”
8.
Joanna drew this figure and said “The diagonals of this figure bisect each other, so it must be a square.”
The vertical diagonal is not bisected. Bisecting a
line segment means the segment is separated into
two congruent pieces.
Joanna made an error in her mathematical argument. What is the error?
0 A. There is no error. The figure Joanna drew is a square.
0 B. In the figure Joanna drew, the diagonals do not bisect each other.
0 C. Joanna used the converse of the teacher’s statement and the converse is false.
0 D. Joanna’s teachers statement is false. The diagonals of a square do not bisect each other.
(Related Tutorial Video:
Video
1)
JK
Determine the midpoint of
, where J(–1, 2) and K(6, 8).
9.
1
3
0 A. (
, 5)
Midpoint Formula:
2
1
2
Midpoint:
0 B. (
, 5)
2
1
Midpoint:
3
0 C. (
, 3)
2
1
Midpoint:
2
0 D. (
, 3)
2
(Related Tutorial Videos:
Video
1,
Video
2)
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