1st Semester Geometry Review

Solve for the variable.

• 133
• 90
• 47
• 63

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Find the number of degrees in the third angle of the triangle

• 155
• 112
• 74
• 68

Solve for the variable.

• 55
• 80
• 265
• 360

In the diagram, DC is the perpendicular bisector of AB and CE is the angle bisector of <ACD.  Find the measure of <ACE

• 90
• 45
• 30
• 15

Find the measure of ∠ACD. 

• 130
• 115
• 65
• 50

If  ABC ~  DEF and  DEF ~  GHI, then ______.

• AB = GH 
• ABC ~ GHI
• ACB~GHI
• BCA~GHI

Which of the following transformations carry this regular polygon onto itself?

• Reflection across line l
• Rotation of 45° counterclockwise
• . Rotation of 60° counterclockwise
• Rotation of 72° counterclockwise

Which transformation maps ∆ HEN  to ∆ H'E'N' ?

• R_C,180(r_AB )
• r_AB(T_XY)
• R_C,180
• r_AB

Which item below is NOT a key property of a dilation relative to its original figure?

• A.Corresponding angles are equal in measurement
• The sides of the image are parallel or correspond with the preimage
• Figure may be stretched vertically but not horizontally
• Corresponding lengths are proportional in measurement

Apply a dilation with a scale factor of ½ to triangle ABC. Let the image be triangle A’B’C’. Which one of the following equations is true?

• A’B’ = ½ (AB)
• AB = ½ (A’B’)
• m∠A’ = ½ (m∠A)
• m∠A = ½ (m∠A’)