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1.
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Which statement is true about an angle bisector?
a. | An angle bisector is an angle that cuts an angle into three equal
angles. | b. | An angle bisector is a line that cuts an angle into two angles. | c. | An angle bisector is
a line that cuts an angle into two equal angles. | d. | An angle bisector is a line that cuts an angle
at 90º. |
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2.
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Which diagram show an angle bisector? 
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3.
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Which diagram show an angle
bisector? 
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4.
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What do you notice about the angle bisectors for each angle in this
triangle?
 a. | each bisector is divided in half by the other bisectors | b. | they intersect at
one point | c. | the bisectors are parallel | d. | the bisectors are
perpendicular |
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5.
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What do you notice about the diagonals in this
rhombus?
 a. | the diagonals bisect the angles at 90º | b. | the diagonals divide
all 4 angles into equal angles | c. | the diagonals are not angle
bisectors | d. | the diagonals are angle bisectors |
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6.
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Miguel draws an angle that measures 68º. He then constructs an angle
bisector. What size are the two angles formed by the angle bisector?
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7.
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Mei draws an angle that measures 136º. She then constructs an angle
bisector. What size are the two angles formed by the angle bisector?
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8.
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Sam draws an angle that measures 75º. She then constructs an angle
bisector. What size are the two angles formed by the angle bisector?
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9.
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Ryan draws an angle that measures 159º. He then constructs an angle
bisector. What size are the two angles formed by the angle bisector?
a. | 53º | b. | 81.5º | c. | 62.5º | d. | 79.5º |
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10.
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An angle is drawn and then the angle bisector is constucted. The angles formed
by the angle bisector each measure 43º. What size is the original angle?
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