5. In accordance with an inclusive definition, the rhombuses in the following figure are enclosed in dashed lines: For each of the possible definitions given next, de- cide whether it is a good definition (an equivalent definition) of a rhombus. If it is not equivalent, then give the number of a counterexample among the preceding figures. Possible Definition A A four-sided polygon is a rhombus if both diagonals are lines of symmetry. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition BA quadrilateral is a rhombus if each diagonal cuts it into two congruent halves. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition C A quadrilateral is a rhombus f the diagonals are perpendicular bisectors of each other. Equivalent definition? YES NO
5. In accordance with an inclusive definition, the rhombuses in the following figure are enclosed in dashed lines: For each of the possible definitions given next, de- cide whether it is a good definition (an equivalent definition) of a rhombus. If it is not equivalent, then give the number of a counterexample among the preceding figures. Possible Definition A A four-sided polygon is a rhombus if both diagonals are lines of symmetry. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition BA quadrilateral is a rhombus if each diagonal cuts it into two congruent halves. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition C A quadrilateral is a rhombus f the diagonals are perpendicular bisectors of each other. Equivalent definition? YES NO
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Related questions
Question

Transcribed Image Text:Possible Definition C A quadrilateral is a rhombus
5. In accordance with an inclusive definition, the
rhombuses in the following figure are enclosed in
dashed lines:
3
企公
For each of the possible definitions given next, de-
cide whether it is a good definition (an equivalent
definition) of a rhombus. If it is not equivalent,
then give the number of a counterexample among
the preceding figures.
Possible Definition A A four-sided polygon is a
rhombus if both diagonals are lines of symmetry.
NO
Equivalent definition? YES
If NO, give the number of a counterexample:
Possible Definition B A quadrilateral is a rhombus
if each diagonal cuts it into two congruent halves.
Equivalent definition? YES
NO
If NO, give the number of a counterexample:
Possible Definition C A quadrilateral is a rhombus
u the diagonals are perpendicular bisectors of each
other.
ASO
ples
Equivalent definition? YES
NO
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