WorksheetsMath226-Quizz 2
Total questions: 25
Worksheet time: 13mins
The locus of points equidistant from the sides of angle ABC( (namely AB and BC) is
the angle bisector.
bisector of AC.
How many lines form the locus of points equidistant from two intersecting lines?
1
2
What is the locus of points that are equidistant from three fixed points (non collinear) A, B, and C?
circumcenter of triangle ABC.
incenter of triangle ABC.
Which of given transformation is isometry
reflection.
rotation.
homothecy.
similarity.
Homothecy is a collineation.
True
False
Homothecy preserves angles.
True
False
Homothecy is not a collineation.
True
False
A homothecy is called expansion (stretching) if it ratio λ is such that
∣λ∣>1
∣λ∣<1
Every direct isometry of the plane is
either a rotation or a reflection.
either a rotation or a translation.
A composition of two translation is a
rotation.
translation.
Every isometry of period 2 is
either a reflection or a half-turn.
either a reflection or a rotation.
A composition of two reflections in two parallel lines (with
distance x between the lines) is
a translation (with distance x).
a translation (with distance 2x).
a rotation.
reflection.
Every translation is the product
of two reflections.
of two isometries.
of two half-turns.
Identity is the only periodic translation.
Yes
No
For opposite isometry, the order of lettering is
reversed.
No
Yes
An isometry is a collineation that preserves betweenness.
No
Yes
How many points make a locus of points that are equidistant from three fixed points (non collinear) A, B, and C?
Two
Three
One
What is the locus of points that are equidistant from two parallel lines?
Two lines
One line
Every isometry preserves distances.
True
False
A composition of a rotation and a translation is a
rotation.
translation.
reflection.
What is the locus of points that are equidistant from two intersecting lines?
Two points
Two lines
One point
Which transformation is defined as a change in size while maintaining the shape of a figure?
Reflection
Homothecy
Translation
What is the result of a composition of two reflections in two intersecting lines?
Rotation
Reflection
Translation
What is the result of a composition of two reflections in two parallel lines?
Reflection
Rotation
Translation
Which transformation maintains the shape and size of a figure?
Translation
Homothecy
Isometry
