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Tell whether each
1.
4. Anna, Bob, and Otto write their names
in capital letters. Draw all lines of
symmetry for each whole name if possible.
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Tell whether each figure has rotational symmetry. tf so, give the angle
of rotational symmetry.
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8. This figure shows the Roman symbol for Earth. Draw all lines
of symmetry. Give the angle of any rotational symmetry.
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In the space provided, sketch a figure that has the given
characteristics.
9. Exactly
10. Angle of rotational- symmetry: 180o
Exactly 2 lines of symmetry
1 line of symmetry
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Chapter 9
399
Lesson 5
1.
2. Tell whether the
Tellwhether the window has line
symmetry. lf so, draw all the lines
of symmetry 4
quilt block design
has rotational
symmetry. lf so,
give the angle
of rotational
symmetry.
4. The figure is a net of an octahedron.
Describe the symmetry of the net.
3. Draw an example of a trapezoid that has
no line symmetry and no rotational
symmetry.
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Ghoose the best answer.
6. Suppose you rotate this figure around its
center point P by the given angle of
5. Which is a true statement about the
, figure with vertices Q(-2, -4), R(0, 1),
and r(s, -4)?
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A QRSI has line symmetry onlY.
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rotation. Which angle measure would
produce an image that coincides with the
originalfigure?
B QRSI has rotational symmetry only.
C QRSI has both line sYmmetry and
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/ D
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PRST has neither line symmetry nor
r otationa I sYm metry.
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Chapter 9
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7. Which of these figures has exactly three
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lines of symmetry?
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8. How many lines of symmetry does
11
a
regular pentagon have?
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400
Lesson 5
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