Symmetry Answers

0 verified answers3 views
1
Free Preview

An equilateral triangle with all equal side lengths and angle measures.

Question illustration
A
1
B
2
C
3
D
4
2
Free Preview

Which letter in the word HAPPY has an order 2 rotational symmetry?

A
H
B
A
C
P
D
Y
3

Which type of triangle will always have at least 1-fold reflectional symmetry?

A
right triangle
B
obtuse triangle
C
acute triangle
D
isosceles triangle
4

How can a regular hexagon be folded to show that it has reflectional symmetry?

A
Fold the hexagon along a line from a vertex to the midpoint of an opposite side.
B
Fold the hexagon along a line connecting the two midpoints of adjacent sides.
C
Fold the hexagon along a line that bisects two vertex angles.
D
Fold the hexagon along a line that creates a right angle at a vertex.
5

A rhombus has 4 equal sides.

Question illustration
A
1
B
2
C
3
D
4
6

What is the smallest angle of rotational symmetry for a square?

A
45º
B
90º
C
180º
D
360º
7

If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?

A
10
B
12
C
20
D
24
8

Which statements are true about the lines of symmetry of a regular pentagon? Select three options.Every line connects two vertices.Every line connects the midpoints of 2 sides.Every line bisects a vertex angle.Every line bisects a side.Every line is perpendicular to a side.

A
Every line connects two vertices.
B
Every line connects the midpoints of 2 sides.
C
Every line bisects a vertex angle.
D
Every line bisects a side.
E
Every line is perpendicular to a side.
9

Which angle of rotation is an angle of rotational symmetry for all figures?

A
45°
B
90°
C
180°
D
360°
10

If a quadrilateral has exactly 2 lines of symmetry, and both are angle bisectors, then which statement would be true?

A
The figure must be an isosceles trapezoid because it has 2 congruent base angles.
B
The figure must be a rectangle because all rectangles have exactly 2 lines of symmetry.
C
The figure could be a rhombus because the 2 lines of symmetry bisect the angles.
D
The figure could be a square because the diagonals of a square bisect the right angles.

Did you find these answers helpful?